From 6ba539809d86579fd0b348e118af5660690b4580 Mon Sep 17 00:00:00 2001 From: Szymon Wojciechowski Date: Fri, 29 Jun 2018 21:38:33 +0000 Subject: [PATCH] Delete 'wielomiany.py' --- wielomiany.py | 90 --------------------------------------------------- 1 file changed, 90 deletions(-) delete mode 100644 wielomiany.py diff --git a/wielomiany.py b/wielomiany.py deleted file mode 100644 index 833e9d6..0000000 --- a/wielomiany.py +++ /dev/null @@ -1,90 +0,0 @@ -import sys -import ast - -class Polynomial: - - n = 0 - - def __init__(self, coef_list): - self.degree = len(coef_list) - 1 - self.coefficients = coef_list - - @staticmethod - def multiply(p1, p2): - result = [0] * (p1.degree + p2.degree + 1) - f = p1.coefficients - g = p2.coefficients - for i in range(0, len(f)): - for j in range(0, len(g)): - result[i+j] += f[i] * g[j] - result = [x % int(n) for x in result] - return Polynomial(result) - - @staticmethod - def divide(p1, p2): - def inverse(x): - for i in range(1, int(n)): - r = (i * x) % int(n) - if r == 1: - break - else: - raise ZeroDivisionError - return i - if p1.degree < p2.degree: - return p1 - f = p1.coefficients - g = p2.coefficients - g_lead_coef = g[-1] - g_deg = p2.degree - while len(f) >= len(g): - f_lead_coef = f[-1] - tmp_coef = f_lead_coef * inverse(g_lead_coef) - tmp_exp = len(f) - 1 - g_deg - tmp = [] - for i in range(tmp_exp): - tmp.append(0) - tmp.append(tmp_coef) - tmp_poly = Polynomial(tmp) - sub = Polynomial.multiply(p2, tmp_poly) - f = [x - y for x, y in zip(f, sub.coefficients)] - f = [x % int(n) for x in f] - while f and f[-1] == 0: - f.pop() - return Polynomial(f) - - @staticmethod - def gcd(p1, p2): - if len(p2.coefficients) == 0: - return p1 - return Polynomial.gcd(p2, Polynomial.divide(p1, p2)) - - -def main(): - c1 = ast.literal_eval(sys.argv[2]) - c2 = ast.literal_eval(sys.argv[3]) - - f = Polynomial(c1) - g = Polynomial(c2) - - ans = [] - - mul = Polynomial.multiply(f, g) - ans.append(mul.coefficients) - - try: - div = Polynomial.divide(f, g) - ans.append(div.coefficients) - except ZeroDivisionError as e: - ans.append(e) - - try: - gcd = Polynomial.gcd(f, g) - ans.append(gcd.coefficients) - except ZeroDivisionError as e: - ans.append(e) - - print(ans) - -if __name__ == "__main__": - n = int(sys.argv[1]) - main() \ No newline at end of file