Zadananie 3 - CRC #26
5
02-Wielomiany/src/DivisionErrorException.java
Normal file
5
02-Wielomiany/src/DivisionErrorException.java
Normal file
@ -0,0 +1,5 @@
|
||||
public class DivisionErrorException extends Throwable {
|
||||
public DivisionErrorException() {
|
||||
System.out.println("Division error!");
|
||||
}
|
||||
}
|
||||
17
02-Wielomiany/src/Main.java
Normal file
17
02-Wielomiany/src/Main.java
Normal file
@ -0,0 +1,17 @@
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
|
||||
public class Main {
|
||||
|
||||
public static void main(String[] args) throws DivisionErrorException, MultiplierNotFoundException {
|
||||
//ex input in run console : 2 "1 1 1 0 1" "0 1 1"
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||||
int n = Integer.parseInt(args[0]);
|
||||
List<Integer> firstPolynomial = new ArrayList<>();
|
||||
Arrays.asList(args[1].split("\\s* \\s*")).forEach(factor -> firstPolynomial.add(Integer.valueOf(factor)));
|
||||
List<Integer> secondPolynomial = new ArrayList<>();
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||||
Arrays.asList(args[2].split("\\s* \\s*")).forEach(factor -> secondPolynomial.add(Integer.valueOf(factor)));
|
||||
PolynomialTask polynomialTask = new PolynomialTask(n, firstPolynomial, secondPolynomial);
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||||
polynomialTask.printAllValuesToStandardOutput();
|
||||
}
|
||||
}
|
||||
5
02-Wielomiany/src/MultiplierNotFoundException.java
Normal file
5
02-Wielomiany/src/MultiplierNotFoundException.java
Normal file
@ -0,0 +1,5 @@
|
||||
public class MultiplierNotFoundException extends Throwable {
|
||||
public MultiplierNotFoundException() {
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||||
System.out.println("DivisionError");
|
||||
}
|
||||
}
|
||||
134
02-Wielomiany/src/PolynomialTask.java
Normal file
134
02-Wielomiany/src/PolynomialTask.java
Normal file
@ -0,0 +1,134 @@
|
||||
import java.util.ArrayList;
|
||||
import java.util.Arrays;
|
||||
import java.util.Collections;
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||||
import java.util.List;
|
||||
import java.util.stream.Collectors;
|
||||
|
||||
public class PolynomialTask {
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||||
private int n;
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||||
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||||
private List<Integer> firstPolynomial;
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||||
private List<Integer> secondPolynomial;
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||||
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||||
public PolynomialTask(int n, List<Integer> firstPoly, List<Integer> secondPoly) {
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this.n = n;
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this.firstPolynomial = firstPoly;
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this.secondPolynomial = secondPoly;
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}
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||||
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||||
public Integer[] multiplyPolynomials(List<Integer> firstPolynomial, List<Integer> secondPolynomial) {
|
||||
int[] multiplied = new int[firstPolynomial.size() + secondPolynomial.size() - 1];
|
||||
int sizeOfFirstPoly = firstPolynomial.size();
|
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int sizeOfSecondPoly = secondPolynomial.size();
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for (int i = 0; i < sizeOfFirstPoly; i++) {
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for (int j = 0; j < sizeOfSecondPoly; j++)
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multiplied[i + j] = (multiplied[i + j] + (firstPolynomial.get(i) * secondPolynomial.get(j))) % n;
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}
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return Arrays.stream(multiplied).boxed().toArray(Integer[]::new);
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}
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||||
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public int[] moduloDividePolynomialsReturnQuotient(List<Integer> firstPoly, List<Integer> secondPoly) throws MultiplierNotFoundException, DivisionErrorException {
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int[] quotient = new int[firstPoly.size() + secondPoly.size()];
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int firstPolyDegree = firstPoly.size() - 1;
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int secondPolyDegree = secondPoly.size() - 1;
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List<Integer> polynomialAfterSubtract = firstPoly;
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||||
while (firstPolyDegree >= secondPolyDegree) {
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polynomialAfterSubtract = calcQuotient(polynomialAfterSubtract, secondPoly, quotient);
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firstPolyDegree = polynomialAfterSubtract.size() - 1;
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}
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int[] remainder = new int[polynomialAfterSubtract.size()];
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for (int i = 0; i < polynomialAfterSubtract.size(); i++) {
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remainder[i] = polynomialAfterSubtract.get(i);
|
||||
}
|
||||
return remainder;
|
||||
}
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||||
|
||||
private List<Integer> calcQuotient(List<Integer> firstPoly, List<Integer> secondPoly, int[] quotient) throws MultiplierNotFoundException, DivisionErrorException {
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int firstPolyDegree = firstPoly.size() - 1;
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int secondPolyDegree = secondPoly.size() - 1;
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if (firstPolyDegree < secondPolyDegree) {
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throw new DivisionErrorException();
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}
|
||||
int quotientCoefficient;
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||||
if ((((float) firstPoly.get(firstPolyDegree) / (float) secondPoly.get(secondPolyDegree))) == Math.round(firstPoly.get(firstPolyDegree) / secondPoly.get(secondPolyDegree))) {
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quotientCoefficient = firstPoly.get(firstPolyDegree) / secondPoly.get(secondPolyDegree);
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} else {
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quotientCoefficient = invElem(firstPoly.get(firstPolyDegree), secondPoly.get(secondPolyDegree));
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}
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quotient[firstPolyDegree - secondPolyDegree] += quotientCoefficient;
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List<Integer> newPoly = generatePolyFromIndexAndValue(firstPolyDegree - secondPolyDegree, quotientCoefficient);
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Integer[] multipliedPolynomials = multiplyPolynomials(newPoly, secondPoly);
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List<Integer> polynomialAfterFirstDivide = new ArrayList<>(Arrays.asList(multipliedPolynomials));
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return removeUnnecessaryZeros(subtractTwoPolynomials(firstPoly, polynomialAfterFirstDivide));
|
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}
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private List<Integer> removeUnnecessaryZeros(List<Integer> polynomialAfterSubtract) {
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int amountOfZeros = 0;
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||||
for (int i = polynomialAfterSubtract.size() - 1; i >= 0; i--) {
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if (polynomialAfterSubtract.get(i) == 0) {
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amountOfZeros++;
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} else {
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break;
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||||
}
|
||||
}
|
||||
|
||||
polynomialAfterSubtract = polynomialAfterSubtract.subList(0, polynomialAfterSubtract.size() - amountOfZeros);
|
||||
return polynomialAfterSubtract;
|
||||
}
|
||||
|
||||
private List<Integer> subtractTwoPolynomials(List<Integer> firstPoly, List<Integer> secondPoly) {
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List<Integer> subtractedPolynomial = new ArrayList<>(Collections.nCopies(firstPoly.size() + secondPoly.size(), 0));
|
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for (int index = firstPoly.size(); index >= 0; index--) {
|
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if (index < secondPoly.size()) {
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subtractedPolynomial.set(index, firstPoly.get(index) - secondPoly.get(index));
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parseNegativeElement(subtractedPolynomial, index);
|
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}
|
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}
|
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return subtractedPolynomial;
|
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}
|
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|
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private void parseNegativeElement(List<Integer> subtractedPolynomial, int index) {
|
||||
while (subtractedPolynomial.get(index) < 0)
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subtractedPolynomial.set(index, (subtractedPolynomial.get(index) * subtractedPolynomial.get(index)) % n);
|
||||
}
|
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|
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private List<Integer> generatePolyFromIndexAndValue(int size, int quotientCoefficient) {
|
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List<Integer> poly = new ArrayList<>(Collections.nCopies(size + 1, 0));
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poly.set(size, quotientCoefficient);
|
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return poly;
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}
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|
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private int invElem(int a, int b) throws MultiplierNotFoundException {
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|
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for (int i = 0; i < n; i++) {
|
||||
if (a == (b * i) % n) {
|
||||
return i;
|
||||
}
|
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}
|
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|
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throw new MultiplierNotFoundException();
|
||||
}
|
||||
|
||||
public void printAllValuesToStandardOutput() throws DivisionErrorException, MultiplierNotFoundException {
|
||||
List<List<Integer>> values = new ArrayList<>();
|
||||
values.add(Arrays.asList(multiplyPolynomials(firstPolynomial, secondPolynomial)));
|
||||
values.add(Arrays.stream(moduloDividePolynomialsReturnQuotient(firstPolynomial, secondPolynomial)).boxed().collect(Collectors.toList()));
|
||||
try {
|
||||
values.add(gcd(firstPolynomial, secondPolynomial));
|
||||
} catch (MultiplierNotFoundException e) {
|
||||
}
|
||||
System.out.println(values);
|
||||
}
|
||||
|
||||
private List<Integer> gcd(List<Integer> polyOne, List<Integer> polyTwo) throws MultiplierNotFoundException, DivisionErrorException {
|
||||
if (polyTwo.isEmpty()) return polyOne;
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List<Integer> poly = Arrays.stream(moduloDividePolynomialsReturnQuotient(polyOne, polyTwo)).boxed().collect(Collectors.toList());
|
||||
return gcd(polyTwo, poly);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
1
Zadanie-03/.idea/description.html
Normal file
1
Zadanie-03/.idea/description.html
Normal file
@ -0,0 +1 @@
|
||||
<html>Simple <b>Java</b> application that includes a class with <code>main()</code> method</html>
|
||||
12
Zadanie-03/.idea/misc.xml
Normal file
12
Zadanie-03/.idea/misc.xml
Normal file
@ -0,0 +1,12 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="EntryPointsManager">
|
||||
<entry_points version="2.0" />
|
||||
</component>
|
||||
<component name="ProjectKey">
|
||||
<option name="state" value="project://e2804f05-5315-4fc6-a121-c522a6c26470" />
|
||||
</component>
|
||||
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK">
|
||||
<output url="file://$PROJECT_DIR$/out" />
|
||||
</component>
|
||||
</project>
|
||||
8
Zadanie-03/.idea/modules.xml
Normal file
8
Zadanie-03/.idea/modules.xml
Normal file
@ -0,0 +1,8 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="ProjectModuleManager">
|
||||
<modules>
|
||||
<module fileurl="file://$PROJECT_DIR$/Zadanie-03.iml" filepath="$PROJECT_DIR$/Zadanie-03.iml" />
|
||||
</modules>
|
||||
</component>
|
||||
</project>
|
||||
3
Zadanie-03/.idea/project-template.xml
Normal file
3
Zadanie-03/.idea/project-template.xml
Normal file
@ -0,0 +1,3 @@
|
||||
<template>
|
||||
<input-field default="com.company">IJ_BASE_PACKAGE</input-field>
|
||||
</template>
|
||||
6
Zadanie-03/.idea/vcs.xml
Normal file
6
Zadanie-03/.idea/vcs.xml
Normal file
@ -0,0 +1,6 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="VcsDirectoryMappings">
|
||||
<mapping directory="$PROJECT_DIR$/.." vcs="Git" />
|
||||
</component>
|
||||
</project>
|
||||
423
Zadanie-03/.idea/workspace.xml
Normal file
423
Zadanie-03/.idea/workspace.xml
Normal file
@ -0,0 +1,423 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<project version="4">
|
||||
<component name="ChangeListManager">
|
||||
<list default="true" id="5f8a3521-157f-4adb-a0ab-dc99bbf14aa0" name="Default" comment="">
|
||||
<change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/src/com/tylkowski/crc/Main.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/com/tylkowski/crc/Main.java" afterDir="false" />
|
||||
</list>
|
||||
<ignored path="$PROJECT_DIR$/out/" />
|
||||
<option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
|
||||
<option name="TRACKING_ENABLED" value="true" />
|
||||
<option name="SHOW_DIALOG" value="false" />
|
||||
<option name="HIGHLIGHT_CONFLICTS" value="true" />
|
||||
<option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
|
||||
<option name="LAST_RESOLUTION" value="IGNORE" />
|
||||
</component>
|
||||
<component name="FileEditorManager">
|
||||
<leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
|
||||
<file leaf-file-name="Main.java" pinned="false" current-in-tab="true">
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="255">
|
||||
<caret line="15" column="9" lean-forward="true" selection-start-line="15" selection-start-column="9" selection-end-line="15" selection-end-column="9" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
</file>
|
||||
<file leaf-file-name="CrcTask.java" pinned="false" current-in-tab="false">
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="178">
|
||||
<caret line="44" column="9" lean-forward="true" selection-start-line="44" selection-start-column="9" selection-end-line="44" selection-end-column="9" />
|
||||
<folding>
|
||||
<element signature="imports" expanded="true" />
|
||||
</folding>
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
</file>
|
||||
</leaf>
|
||||
</component>
|
||||
<component name="FileTemplateManagerImpl">
|
||||
<option name="RECENT_TEMPLATES">
|
||||
<list>
|
||||
<option value="Class" />
|
||||
</list>
|
||||
</option>
|
||||
</component>
|
||||
<component name="FindInProjectRecents">
|
||||
<findStrings>
|
||||
<find>System.out.println</find>
|
||||
<find>for</find>
|
||||
<find />
|
||||
<find>System</find>
|
||||
<find>ch</find>
|
||||
<find>shot</find>
|
||||
<find>gen_deg</find>
|
||||
<find>char</find>
|
||||
<find>swa</find>
|
||||
<find>chunk</find>
|
||||
<find>toBin</find>
|
||||
<find>toBinaryStr</find>
|
||||
<find>swap</find>
|
||||
<find>letter</find>
|
||||
<find>lol</find>
|
||||
</findStrings>
|
||||
</component>
|
||||
<component name="Git.Settings">
|
||||
<option name="RECENT_GIT_ROOT_PATH" value="$PROJECT_DIR$/.." />
|
||||
</component>
|
||||
<component name="IdeDocumentHistory">
|
||||
<option name="CHANGED_PATHS">
|
||||
<list>
|
||||
<option value="$PROJECT_DIR$/src/com/tylkowski/crc/Main.java" />
|
||||
<option value="$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java" />
|
||||
</list>
|
||||
</option>
|
||||
</component>
|
||||
<component name="JsBuildToolGruntFileManager" detection-done="true" sorting="DEFINITION_ORDER" />
|
||||
<component name="JsBuildToolPackageJson" detection-done="true" sorting="DEFINITION_ORDER" />
|
||||
<component name="JsGulpfileManager">
|
||||
<detection-done>true</detection-done>
|
||||
<sorting>DEFINITION_ORDER</sorting>
|
||||
</component>
|
||||
<component name="ProjectFrameBounds" extendedState="6">
|
||||
<option name="x" value="676" />
|
||||
<option name="width" value="697" />
|
||||
<option name="height" value="735" />
|
||||
</component>
|
||||
<component name="ProjectLevelVcsManager" settingsEditedManually="true" />
|
||||
<component name="ProjectView">
|
||||
<navigator proportions="" version="1">
|
||||
<foldersAlwaysOnTop value="true" />
|
||||
</navigator>
|
||||
<panes>
|
||||
<pane id="PackagesPane" />
|
||||
<pane id="AndroidView" />
|
||||
<pane id="ProjectPane">
|
||||
<subPane>
|
||||
<expand>
|
||||
<path>
|
||||
<item name="Zadanie-03" type="b2602c69:ProjectViewProjectNode" />
|
||||
<item name="Zadanie-03" type="462c0819:PsiDirectoryNode" />
|
||||
</path>
|
||||
<path>
|
||||
<item name="Zadanie-03" type="b2602c69:ProjectViewProjectNode" />
|
||||
<item name="Zadanie-03" type="462c0819:PsiDirectoryNode" />
|
||||
<item name="src" type="462c0819:PsiDirectoryNode" />
|
||||
</path>
|
||||
<path>
|
||||
<item name="Zadanie-03" type="b2602c69:ProjectViewProjectNode" />
|
||||
<item name="Zadanie-03" type="462c0819:PsiDirectoryNode" />
|
||||
<item name="src" type="462c0819:PsiDirectoryNode" />
|
||||
<item name="crc" type="462c0819:PsiDirectoryNode" />
|
||||
</path>
|
||||
</expand>
|
||||
<select />
|
||||
</subPane>
|
||||
</pane>
|
||||
<pane id="Scope" />
|
||||
</panes>
|
||||
</component>
|
||||
<component name="PropertiesComponent">
|
||||
<property name="WebServerToolWindowFactoryState" value="false" />
|
||||
<property name="aspect.path.notification.shown" value="true" />
|
||||
<property name="extract.method.default.visibility" value="private" />
|
||||
</component>
|
||||
<component name="RunDashboard">
|
||||
<option name="ruleStates">
|
||||
<list>
|
||||
<RuleState>
|
||||
<option name="name" value="ConfigurationTypeDashboardGroupingRule" />
|
||||
</RuleState>
|
||||
<RuleState>
|
||||
<option name="name" value="StatusDashboardGroupingRule" />
|
||||
</RuleState>
|
||||
</list>
|
||||
</option>
|
||||
</component>
|
||||
<component name="RunManager">
|
||||
<configuration name="Main" type="Application" factoryName="Application" temporary="true">
|
||||
<option name="MAIN_CLASS_NAME" value="com.tylkowski.crc.Main" />
|
||||
<module name="Zadanie-03" />
|
||||
<option name="PROGRAM_PARAMETERS" value=""2" "b"" />
|
||||
<option name="WORKING_DIRECTORY" value="file://$PROJECT_DIR$" />
|
||||
<RunnerSettings RunnerId="Run" />
|
||||
<ConfigurationWrapper RunnerId="Run" />
|
||||
</configuration>
|
||||
<configuration default="true" type="Application" factoryName="Application">
|
||||
<extension name="coverage" enabled="false" merge="false" sample_coverage="true" runner="idea" />
|
||||
<option name="MAIN_CLASS_NAME" />
|
||||
<option name="VM_PARAMETERS" />
|
||||
<option name="PROGRAM_PARAMETERS" />
|
||||
<option name="WORKING_DIRECTORY" />
|
||||
<option name="ALTERNATIVE_JRE_PATH_ENABLED" value="false" />
|
||||
<option name="ALTERNATIVE_JRE_PATH" />
|
||||
<option name="ENABLE_SWING_INSPECTOR" value="false" />
|
||||
<option name="ENV_VARIABLES" />
|
||||
<option name="PASS_PARENT_ENVS" value="true" />
|
||||
<module name="" />
|
||||
<envs />
|
||||
<method />
|
||||
</configuration>
|
||||
<recent_temporary>
|
||||
<list>
|
||||
<item itemvalue="Application.Main" />
|
||||
</list>
|
||||
</recent_temporary>
|
||||
</component>
|
||||
<component name="SvnConfiguration">
|
||||
<configuration />
|
||||
</component>
|
||||
<component name="TaskManager">
|
||||
<task active="true" id="Default" summary="Default task">
|
||||
<changelist id="5f8a3521-157f-4adb-a0ab-dc99bbf14aa0" name="Default" comment="" />
|
||||
<created>1528990184795</created>
|
||||
<option name="number" value="Default" />
|
||||
<option name="presentableId" value="Default" />
|
||||
<updated>1528990184795</updated>
|
||||
<workItem from="1528990186268" duration="4202000" />
|
||||
<workItem from="1529055268255" duration="3475000" />
|
||||
<workItem from="1529355696900" duration="6551000" />
|
||||
<workItem from="1529407679397" duration="19000" />
|
||||
<workItem from="1529409635196" duration="1437000" />
|
||||
<workItem from="1529428699866" duration="20522000" />
|
||||
<workItem from="1529482084631" duration="5831000" />
|
||||
<workItem from="1529497353540" duration="2850000" />
|
||||
</task>
|
||||
<task id="LOCAL-00001" summary="project started">
|
||||
<created>1529359475020</created>
|
||||
<option name="number" value="00001" />
|
||||
<option name="presentableId" value="LOCAL-00001" />
|
||||
<option name="project" value="LOCAL" />
|
||||
<updated>1529359475021</updated>
|
||||
</task>
|
||||
<task id="LOCAL-00002" summary="poly generating & swapping">
|
||||
<created>1529361951813</created>
|
||||
<option name="number" value="00002" />
|
||||
<option name="presentableId" value="LOCAL-00002" />
|
||||
<option name="project" value="LOCAL" />
|
||||
<updated>1529361951813</updated>
|
||||
</task>
|
||||
<task id="LOCAL-00003" summary="encode added!">
|
||||
<created>1529447421427</created>
|
||||
<option name="number" value="00003" />
|
||||
<option name="presentableId" value="LOCAL-00003" />
|
||||
<option name="project" value="LOCAL" />
|
||||
<updated>1529447421427</updated>
|
||||
</task>
|
||||
<task id="LOCAL-00004" summary="decode added!">
|
||||
<created>1529449567531</created>
|
||||
<option name="number" value="00004" />
|
||||
<option name="presentableId" value="LOCAL-00004" />
|
||||
<option name="project" value="LOCAL" />
|
||||
<updated>1529449567531</updated>
|
||||
</task>
|
||||
<task id="LOCAL-00005" summary="small code refactor">
|
||||
<created>1529450003665</created>
|
||||
<option name="number" value="00005" />
|
||||
<option name="presentableId" value="LOCAL-00005" />
|
||||
<option name="project" value="LOCAL" />
|
||||
<updated>1529450003665</updated>
|
||||
</task>
|
||||
<task id="LOCAL-00006" summary="charset update">
|
||||
<created>1529487959831</created>
|
||||
<option name="number" value="00006" />
|
||||
<option name="presentableId" value="LOCAL-00006" />
|
||||
<option name="project" value="LOCAL" />
|
||||
<updated>1529487959831</updated>
|
||||
</task>
|
||||
<option name="localTasksCounter" value="7" />
|
||||
<servers />
|
||||
</component>
|
||||
<component name="TimeTrackingManager">
|
||||
<option name="totallyTimeSpent" value="44887000" />
|
||||
</component>
|
||||
<component name="ToolWindowManager">
|
||||
<frame x="-8" y="-8" width="1382" height="744" extended-state="6" />
|
||||
<editor active="true" />
|
||||
<layout>
|
||||
<window_info anchor="right" id="Palette" order="3" />
|
||||
<window_info anchor="bottom" id="TODO" order="6" />
|
||||
<window_info anchor="bottom" id="Messages" order="7" weight="0.32838285" />
|
||||
<window_info anchor="right" id="Palette	" order="3" />
|
||||
<window_info id="Image Layers" order="2" />
|
||||
<window_info anchor="right" id="Capture Analysis" order="3" />
|
||||
<window_info anchor="bottom" id="Event Log" order="7" side_tool="true" />
|
||||
<window_info anchor="right" id="Maven Projects" order="3" />
|
||||
<window_info anchor="bottom" id="Database Changes" order="7" show_stripe_button="false" />
|
||||
<window_info anchor="bottom" id="Version Control" order="7" />
|
||||
<window_info anchor="bottom" id="Run" order="2" weight="0.38118812" />
|
||||
<window_info anchor="bottom" id="Terminal" order="7" />
|
||||
<window_info id="Capture Tool" order="2" />
|
||||
<window_info id="Designer" order="2" />
|
||||
<window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.16641453" />
|
||||
<window_info anchor="right" id="Database" order="3" />
|
||||
<window_info id="Structure" order="1" side_tool="true" weight="0.25" />
|
||||
<window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
|
||||
<window_info id="UI Designer" order="2" />
|
||||
<window_info anchor="right" id="Theme Preview" order="3" />
|
||||
<window_info id="Favorites" order="2" side_tool="true" />
|
||||
<window_info anchor="bottom" id="Debug" order="3" weight="0.39933994" />
|
||||
<window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
|
||||
<window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
|
||||
<window_info anchor="right" id="Commander" order="0" weight="0.4" />
|
||||
<window_info anchor="bottom" id="Message" order="0" />
|
||||
<window_info anchor="bottom" id="Cvs" order="4" weight="0.25" />
|
||||
<window_info anchor="bottom" id="Find" order="1" />
|
||||
</layout>
|
||||
</component>
|
||||
<component name="TypeScriptGeneratedFilesManager">
|
||||
<option name="version" value="1" />
|
||||
</component>
|
||||
<component name="VcsContentAnnotationSettings">
|
||||
<option name="myLimit" value="2678400000" />
|
||||
</component>
|
||||
<component name="VcsManagerConfiguration">
|
||||
<MESSAGE value="project started" />
|
||||
<MESSAGE value="poly generating & swapping" />
|
||||
<MESSAGE value="encode added!" />
|
||||
<MESSAGE value="decode added!" />
|
||||
<MESSAGE value="small code refactor" />
|
||||
<MESSAGE value="charset update" />
|
||||
<option name="LAST_COMMIT_MESSAGE" value="charset update" />
|
||||
</component>
|
||||
<component name="editorHistoryManager">
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="374">
|
||||
<caret line="22" lean-forward="true" selection-start-line="22" selection-end-line="22" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="2856">
|
||||
<caret line="170" selection-start-line="170" selection-end-line="170" selection-end-column="50" />
|
||||
<folding>
|
||||
<element signature="imports" expanded="true" />
|
||||
</folding>
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="204">
|
||||
<caret line="12" lean-forward="true" selection-start-line="12" selection-end-line="12" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="663">
|
||||
<caret line="39" column="9" lean-forward="true" selection-start-line="39" selection-start-column="9" selection-end-line="39" selection-end-column="9" />
|
||||
<folding>
|
||||
<element signature="imports" expanded="true" />
|
||||
</folding>
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="85">
|
||||
<caret line="5" column="44" selection-start-line="5" selection-start-column="44" selection-end-line="5" selection-end-column="44" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="663">
|
||||
<caret line="39" lean-forward="true" selection-start-line="39" selection-end-line="39" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="68">
|
||||
<caret line="5" column="44" selection-start-line="5" selection-start-column="44" selection-end-line="5" selection-end-column="44" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="561">
|
||||
<caret line="33" column="16" selection-start-line="33" selection-start-column="16" selection-end-line="33" selection-end-column="16" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="85">
|
||||
<caret line="5" column="44" selection-start-line="5" selection-start-column="44" selection-end-line="5" selection-end-column="44" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="561">
|
||||
<caret line="33" column="16" selection-start-line="33" selection-start-column="16" selection-end-line="33" selection-end-column="16" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="442">
|
||||
<caret line="26" lean-forward="true" selection-start-line="26" selection-end-line="26" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="221">
|
||||
<caret line="13" column="9" lean-forward="true" selection-start-line="13" selection-start-column="9" selection-end-line="13" selection-end-column="9" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="272">
|
||||
<caret line="16" column="69" selection-start-line="16" selection-start-column="69" selection-end-line="16" selection-end-column="69" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="jar://C:/Program Files/Java/jdk1.8.0_77/src.zip!/java/lang/Integer.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="186">
|
||||
<caret line="329" column="16" selection-start-line="329" selection-start-column="16" selection-end-line="329" selection-end-column="33" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="jar://C:/Program Files/Java/jdk1.8.0_77/src.zip!/java/lang/System.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="329">
|
||||
<caret line="494" column="24" selection-start-line="494" selection-start-column="24" selection-end-line="494" selection-end-column="24" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="jar://C:/Program Files/Java/jdk1.8.0_77/src.zip!/java/util/Arrays.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="278">
|
||||
<caret line="3556" column="19" selection-start-line="3556" selection-start-column="19" selection-end-line="3556" selection-end-column="19" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/CrcTask.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="178">
|
||||
<caret line="44" column="9" lean-forward="true" selection-start-line="44" selection-start-column="9" selection-end-line="44" selection-end-column="9" />
|
||||
<folding>
|
||||
<element signature="imports" expanded="true" />
|
||||
</folding>
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
<entry file="file://$PROJECT_DIR$/src/com/tylkowski/crc/Main.java">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="255">
|
||||
<caret line="15" column="9" lean-forward="true" selection-start-line="15" selection-start-column="9" selection-end-line="15" selection-end-column="9" />
|
||||
</state>
|
||||
</provider>
|
||||
</entry>
|
||||
</component>
|
||||
</project>
|
||||
12
Zadanie-03/Zadanie-03.iml
Normal file
12
Zadanie-03/Zadanie-03.iml
Normal file
@ -0,0 +1,12 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<module type="JAVA_MODULE" version="4">
|
||||
<component name="NewModuleRootManager" inherit-compiler-output="true">
|
||||
<exclude-output />
|
||||
<content url="file://$MODULE_DIR$">
|
||||
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
|
||||
</content>
|
||||
<orderEntry type="inheritedJdk" />
|
||||
<orderEntry type="sourceFolder" forTests="false" />
|
||||
</component>
|
||||
</module>
|
||||
|
||||
Binary file not shown.
Binary file not shown.
221
Zadanie-03/src/com/tylkowski/crc/CrcTask.java
Normal file
221
Zadanie-03/src/com/tylkowski/crc/CrcTask.java
Normal file
@ -0,0 +1,221 @@
|
||||
package com.tylkowski.crc;
|
||||
|
||||
import java.lang.reflect.Field;
|
||||
import java.nio.charset.Charset;
|
||||
import java.util.Arrays;
|
||||
|
||||
class CrcTask {
|
||||
private String message;
|
||||
private short[] messageAsShortArray;
|
||||
private short[] polyGenerator;
|
||||
private String rawMessage;
|
||||
|
||||
CrcTask(String message, String rawMessage) throws NoSuchFieldException, IllegalAccessException {
|
||||
setEncoding();
|
||||
this.message = formatMessage(toBinaryString(message)) + "0000000000000000";
|
||||
this.rawMessage = rawMessage;
|
||||
createGeneratingPolynomial();
|
||||
}
|
||||
|
||||
private void setEncoding() throws NoSuchFieldException, IllegalAccessException {
|
||||
System.setProperty("file.encoding", "ISO-8859-1");
|
||||
Field charset = Charset.class.getDeclaredField("defaultCharset");
|
||||
charset.setAccessible(true);
|
||||
charset.set(null, null);
|
||||
}
|
||||
|
||||
private String formatMessage(String message) {
|
||||
int firstNonZeroVal = 0;
|
||||
boolean found = false;
|
||||
StringBuilder validString = new StringBuilder();
|
||||
while (!found && firstNonZeroVal < message.length()) {
|
||||
if (message.charAt(firstNonZeroVal) == 48) {
|
||||
firstNonZeroVal++;
|
||||
} else {
|
||||
found = true;
|
||||
}
|
||||
}
|
||||
|
||||
for (int i = firstNonZeroVal; i < message.length(); i++) {
|
||||
if (message.charAt(i) == 48) {
|
||||
validString.append(0);
|
||||
} else {
|
||||
validString.append(1);
|
||||
}
|
||||
}
|
||||
StringBuilder msg = new StringBuilder(validString.toString());
|
||||
while (msg.length() % 8 != 0) {
|
||||
msg.insert(0, "0");
|
||||
}
|
||||
|
||||
return msg.toString();
|
||||
}
|
||||
|
||||
private String generateFCS() {
|
||||
while (true) {
|
||||
if (messageAsShortArray[0] == 0) {
|
||||
messageAsShortArray = Arrays.copyOfRange(messageAsShortArray, 1, messageAsShortArray.length);
|
||||
} else {
|
||||
short[] piece = Arrays.copyOfRange(messageAsShortArray, 0, Math.min(polyGenerator.length, messageAsShortArray.length));
|
||||
if (piece.length < polyGenerator.length) {
|
||||
fillPolynomial(piece);
|
||||
return "" + getCharFromShortArray(piece, 0, 8) + getCharFromShortArray(piece, piece.length - 8, piece.length);
|
||||
}
|
||||
short[] remainder = calcXOR(piece, polyGenerator);
|
||||
remainder = removeUnecessaryZeros(remainder);
|
||||
messageAsShortArray = createMessageFromRemainderAndPartFromOldMessage(remainder, messageAsShortArray);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
private short[] createMessageFromRemainderAndPartFromOldMessage(short[] remainder, short[] msg) {
|
||||
short[] tempArr = new short[remainder.length + msg.length - polyGenerator.length];
|
||||
System.arraycopy(remainder, 0, tempArr, 0, remainder.length);
|
||||
int diff = polyGenerator.length - remainder.length;
|
||||
System.arraycopy(msg, remainder.length + diff, tempArr, remainder.length, msg.length - diff - remainder.length);
|
||||
msg = tempArr;
|
||||
return msg;
|
||||
}
|
||||
|
||||
private short[] removeUnecessaryZeros(short[] remainder) {
|
||||
int firstNonZeroVal = 0;
|
||||
boolean found = false;
|
||||
while (!found && firstNonZeroVal < remainder.length) {
|
||||
if (remainder[firstNonZeroVal] == 0) {
|
||||
firstNonZeroVal++;
|
||||
} else {
|
||||
found = true;
|
||||
}
|
||||
}
|
||||
return Arrays.copyOfRange(remainder, firstNonZeroVal, remainder.length);
|
||||
}
|
||||
|
||||
private short[] calcXOR(short[] piece, short[] polyGenerator) {
|
||||
int a = Integer.parseInt(shortArrayToBinaryString(piece), 2);
|
||||
int b = Integer.parseInt(shortArrayToBinaryString(polyGenerator), 2);
|
||||
String binaryString = Integer.toBinaryString(a ^ b);
|
||||
return convertBinaryStringToShortArray(binaryString);
|
||||
}
|
||||
|
||||
private String shortArrayToBinaryString(short[] value) {
|
||||
StringBuilder binaryString = new StringBuilder();
|
||||
for (Short a : value) {
|
||||
binaryString.append(a);
|
||||
}
|
||||
return binaryString.toString();
|
||||
}
|
||||
|
||||
private char getCharFromShortArray(short[] piece, int from, int to) {
|
||||
short[] sign = Arrays.copyOfRange(piece, from, to);
|
||||
int character = Integer.parseInt(shortArrayToBinaryString(sign), 2);
|
||||
return (char) character;
|
||||
}
|
||||
|
||||
private void fillPolynomial(short[] piece) {
|
||||
while (piece.length % 8 != 0) {
|
||||
piece = addZeroAtBeginningOfArray(piece);
|
||||
}
|
||||
}
|
||||
|
||||
private short[] addZeroAtBeginningOfArray(short[] piece) {
|
||||
short[] tempArray = new short[piece.length + 1];
|
||||
tempArray[0] = 0;
|
||||
System.arraycopy(piece, 0, tempArray, 1, piece.length);
|
||||
return tempArray;
|
||||
}
|
||||
|
||||
private short[] convertBinaryStringToShortArray(String binaryString) {
|
||||
short[] shortArray = new short[binaryString.length()];
|
||||
for (int i = 0; i < binaryString.length(); i++) {
|
||||
if (binaryString.charAt(i) == 48) {
|
||||
shortArray[i] = 0;
|
||||
} else {
|
||||
shortArray[i] = 1;
|
||||
}
|
||||
}
|
||||
return shortArray;
|
||||
}
|
||||
|
||||
private void createGeneratingPolynomial() {
|
||||
polyGenerator = new short[17];
|
||||
for (int i = 0; i < 17; i++) {
|
||||
polyGenerator[i] = 0;
|
||||
}
|
||||
polyGenerator[0] = 1;
|
||||
polyGenerator[4] = 1;
|
||||
polyGenerator[11] = 1;
|
||||
polyGenerator[16] = 1;
|
||||
}
|
||||
|
||||
private short[] swapPolynomialValues(short[] poly) {
|
||||
for (int i = 0; i < polyGenerator.length - 1; i++) {
|
||||
poly[i] = (short) ((poly[i] + 1) % 2);
|
||||
}
|
||||
return poly;
|
||||
}
|
||||
|
||||
String encode() {
|
||||
messageAsShortArray = convertBinaryStringToShortArray(message);
|
||||
messageAsShortArray = swapPolynomialValues(messageAsShortArray);
|
||||
return rawMessage + generateFCS();
|
||||
}
|
||||
|
||||
private String letterToBinaryString(char letter) {
|
||||
int a = (int) letter;
|
||||
StringBuilder binaryString = new StringBuilder(Integer.toBinaryString(a));
|
||||
while (binaryString.length() % 8 != 0) {
|
||||
binaryString.insert(0, "0");
|
||||
}
|
||||
return binaryString.toString();
|
||||
}
|
||||
|
||||
boolean decode(String encodedString) {
|
||||
encodedString = toBinaryString(encodedString);
|
||||
encodedString = fillPoly(encodedString);
|
||||
short[] encodedShortArray = convertBinaryStringToShortArray(encodedString);
|
||||
encodedShortArray = swapPolynomialValues(encodedShortArray);
|
||||
while (true) {
|
||||
if (!shortArrayContains(encodedShortArray, 1)) {
|
||||
return true;
|
||||
}
|
||||
if (encodedShortArray[0] == 0) {
|
||||
encodedShortArray = Arrays.copyOfRange(encodedShortArray, 1, encodedShortArray.length);
|
||||
} else {
|
||||
short[] piece = Arrays.copyOfRange(encodedShortArray, 0, Math.min(polyGenerator.length, encodedShortArray.length));
|
||||
if (piece.length < polyGenerator.length) {
|
||||
return false;
|
||||
}
|
||||
|
||||
short[] remainder = calcXOR(piece, polyGenerator);
|
||||
remainder = removeUnecessaryZeros(remainder);
|
||||
encodedShortArray = createMessageFromRemainderAndPartFromOldMessage(remainder, encodedShortArray);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private String toBinaryString(String encodedString) {
|
||||
StringBuilder stringBuilder = new StringBuilder();
|
||||
for (int i = 0; i < encodedString.length(); i++) {
|
||||
stringBuilder.append(letterToBinaryString(encodedString.charAt(i)));
|
||||
}
|
||||
return stringBuilder.toString();
|
||||
}
|
||||
|
||||
private boolean shortArrayContains(short[] encodedShortArray, int value) {
|
||||
for (short item : encodedShortArray) {
|
||||
if (item == value) {
|
||||
return true;
|
||||
}
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
private String fillPoly(String encodedString) {
|
||||
StringBuilder stringBuilder = new StringBuilder(encodedString);
|
||||
while (stringBuilder.length() % 8 != 0) {
|
||||
stringBuilder.insert(0, "0");
|
||||
}
|
||||
return stringBuilder.toString();
|
||||
}
|
||||
}
|
||||
22
Zadanie-03/src/com/tylkowski/crc/Main.java
Normal file
22
Zadanie-03/src/com/tylkowski/crc/Main.java
Normal file
@ -0,0 +1,22 @@
|
||||
package com.tylkowski.crc;
|
||||
|
||||
public class Main {
|
||||
|
||||
public static void main(String[] args) throws NoSuchFieldException, IllegalAccessException {
|
||||
// in command line type "1" for mode and "b" for message
|
||||
// example "1" "b" -> this will encode string "b" and return FCS
|
||||
// example "2" "bXY" -> this will decode string "bXY" and return true if it is valid or false if not
|
||||
// X and Y - 1 and 2 character of FCS
|
||||
CrcTask crcTask = new CrcTask(args[1], args[1]);
|
||||
if(args[0].equals("1")) {
|
||||
//create FCS
|
||||
System.out.println(crcTask.encode());
|
||||
} else if (args[0].equals("2")) {
|
||||
// check fcs
|
||||
if (args[1].length() >= 3) System.out.println(crcTask.decode(args[1]));
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user