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gmo.cpp

@@ -6,12 +6,13 @@
 #include <math.h>
 #include<bits/stdc++.h>
 #include <algorithm>
+#include <utility>
 using namespace std;
 
 string generateValue() {
 	
 	char trash[100];
-	string x = itoa(((rand() % 10) * 100 + (rand() % 10) *10 + (rand() % 10)),trash,10);
+	string x = itoa(rand() % 1000,trash,10);
 	if (x.size() == 2) {
 		x = "0" + x;
 	}
@@ -80,42 +81,151 @@ int fitness(string vegetable) {
 	return (taste+colour+size)/3;
 }
 
-//Selection jeszcze nie dokonczone
-void selection(string * population,string * nextGen, int populationSize, int nextGenSize) {
-	
-	int i;
-	int fitnessTable[populationSize];
-	for(i=0;i<populationSize;i++) {
-		fitnessTable[i] = fitness(population[i]);
-	}
-	
-	sort(fitnessTable,fitnessTable+populationSize,greater<int>());
-	
-	for(i=0;i<populationSize;i++) {
-		fitnessTable[i] = 1000 - fitnessTable[i];
-		cout << fitnessTable[i] << endl;
-	}
-	
-	
 
+bool comparePair(const pair<int, string>&i, const pair<int, string>&j)
+{
+    return i.first > j.first;
 }
     
     
+void selection(string * population,string * parents, int populationSize, int parentsNumber) {
+	
+	int i;
+	pair <int,string> fitnessTable[populationSize];
+	for(i=0;i<populationSize;i++) { 
+		fitnessTable[i] =  make_pair(fitness(population[i]),population[i]);
+	}
+	
+	sort(fitnessTable,fitnessTable+populationSize,comparePair);
+	
+	cout << "fitnessTable:" << endl;
+	for(i=0;i<populationSize;i++) {
+		cout << fitnessTable[i].first << " " << fitnessTable[i].second << endl;
+	}
+	
+	for(i=0;i<parentsNumber;i++) {
+		parents[i] = fitnessTable[i].second;
+	}	
+}
+
+
+int newton(int n,int k) {
+	
+	if (k==0 or n==k) return 1;
+	else return newton(n-1,k-1) + newton(n-1,k);
+}
+
+
+string mutate(string child) {
+	
+	int d3 = rand() % 3;
+	string mutation = generateValue();
+	switch(d3) {
+		case 0:
+			child = mutation + child.substr(3,6);
+			break;
+		case 1:
+			child = child.substr(0,3) + mutation + child.substr(6,3);
+			break;
+		case 2:
+			child = child.substr(0,6) + mutation;
+			break;
+	}
+}
+
+
+string cross(string parent[2]) {
+	
+	int i;
+	string child = "";
+	for(i=0;i<3;i++) {
+		child += parent[rand() % 2].substr(i*3,3);
+	}
+	int d1000 = rand() % 1000;
+	if (d1000 == 0) {
+		cout << "MUTACJA!";
+		child = mutate(child);
+	}
+	return child;
+}
+
+
+void crossover(string * parents,string * nextGen,int parentsNumber,int nextGenSize) {
+	
+	int counter = 0;
+	int i,j;
+	for(i=0;i<parentsNumber;i++) {
+		if (counter >= nextGenSize) {
+			break;
+		}
+		else {
+			nextGen[counter] = parents[i];
+		counter +=1;
+		}
+	}
+	
+	for(i=0;i<parentsNumber;i++) {
+		if (counter >= nextGenSize) {
+			break;
+		}
+		else {
+			for(j=i;j<parentsNumber;j++) {
+				if (counter >= nextGenSize) {
+				break;
+				}
+				else {
+					string couple[2];
+					couple[0] = parents[i];
+					couple[1] = parents[j];
+					nextGen[counter] = cross(couple);
+					counter += 1;
+				}
+			}
+		}
+	}
+}
+
 
 
 int main() {
 	
+	
 	srand(time(0));
 	
 	int i;
-	int size = 20;
-	string population[size];
+	int populationSize = 50;
+	int parentsNumber = 5;
+	int maxPopulationSize = 1000;
+	string population[populationSize];
+	int nextGenSize;
 	
-	generatePopulation(population,size);
+	generatePopulation(population,populationSize);
+	
+	cout << "Wstepna populacja:" << endl;
+	for(i=0;i<populationSize;i++) {
+		cout << population[i] << endl;
+	}
+	
+	string parents[parentsNumber];
+	selection(population,parents,populationSize,parentsNumber);
+	
+	cout << "Wybrane do rozrodu:" << endl;
+	for(i=0;i<parentsNumber;i++) {
+		cout << parents[i] << endl;
+	}
+	
+	int ffa = newton(parentsNumber,2);
+	if (ffa + parentsNumber <= maxPopulationSize) nextGenSize = ffa + parentsNumber;
+	else nextGenSize = maxPopulationSize;
+	string nextGen[nextGenSize];
+	crossover(parents,nextGen,parentsNumber,nextGenSize);
+	
+	cout << "Nowe pokolenie:" << endl;
+	for(i=0;i<nextGenSize;i++) {
+		cout  << nextGen[i] << endl;
+	}
 	
-	string nextGen[5];
 	
-	selection(population,nextGen,20,5);