摘要: 欧拉函数 Accepted 2588 15MS 1372K 916 B G++ #include "bits/stdc++.h" using namespace std; int euler(int n) { int ans = n; for (int i = 2; i * i <= n; i++) 阅读全文
posted @ 2019-02-10 15:30 Jathon-cnblogs 阅读(217) 评论(0) 推荐(0) 编辑