# -*- coding: utf-8 -*- """ Programa desarrollado por el Licenciado César Cordero Rodríguez. Bajo licencia GPLv3. Puede ser modificado, copiado y distribuido. Se desarrolló con fines educativos. """ import time import os def write_file(value, way, file_name): os.system("echo " + str(value) + " " + str(way) + " " + str(file_name)) def primes(i, count, total_found): write_file(str(i), ">", "primos.last") write_file(str(total_found + count), ">", "total_primes.found") def calculate_primes(): found = 0 i = 0 try: number = open("number_of_primes.to_find", "r") top = int(number.read()) number.close() except: top = 100 write_file(str(top), ">", "number_of_primes.to_find") try: total_found_file = open("total_primes.found", "r") total_found = int(total_found_file.read()) total_found_file.close() except: total_found = 0 try: last = open("primos.last", "r") last_n = int(last.read()) last.close() except: last_n = 1 i = last_n if total_found > 0: count = -1 else: count = 0 while True: if i == 1: count+=1 print("Prime found = " + str(i)) write_file(str(i), ">>", "primos.list") primes(i, count, total_found) i+=1 continue found = 2 for j in range(2, i): if i%j == 0: found+=1 break if found == 2: count+=1 print("Prime found = " + str(i)) write_file(str(i), ">>", "primos.list") primes(i, count, total_found) if count == top: primes(i, count, total_found) break i+=1 print("Total primes " + str(total_found + count)) inicio = time.time() calculate_primes() final = time.time() print("Final " + str((final - inicio))) print("Primes Python")