Project Euler その3
Problem 7
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13. What is the 10 001st prime number?
コード
i = 3 prime = [2] flag = 0 while(1): for j in prime: if i%j == 0: flag = 1 if flag == 0: prime.append(i) flag = 0 i+=1 if len(prime) == 10001: break print prime[10000]
一応答えは出るけどかなり遅い。