摘要: 输入:3 输出: A BAB CBABC include <bits/stdc++.h> using namespace std; int main() { int a; cin >> a; for (int i = 1; i <= a; i++) { for (int j = 1; j <= a 阅读全文
posted @ 2024-10-22 12:46 xiaobei_0916 阅读(4) 评论(0) 推荐(0)
摘要: 判素数 bool isprime(int n) { if (n < 2) return 0; int t = sqrt(n); for (int i = 2; i <= t; i++) if (n % i == 0) return 0; return 1; } 约数和 int ysh(int n) 阅读全文
posted @ 2024-09-27 19:44 xiaobei_0916 阅读(11) 评论(0) 推荐(0)