#include <bits/stdc++.h> using namespace std; int main(){ int n, a[20]; int ans = 0; cin >> n; for(int i = 0; i < n; i ++) cin >> a[i]; for(int i = 0; i < n; i ++){ ans = __gcd(ans, a[i]); } cout << ans << endl; return 0; }

其实没那么复杂（

空降坐标：CP003208 请看代码

#include<iostream***~~ )](https://attach.acgo.cn/picture/3458240a472342deb7a4123fc19b99a3.jpg) ******

https://www.acgo.cn/application/1955587765123280896求进团！！！