摘要: #include <iostream> #include <cstdio> using namespace std; long long n,k=0,ans; int main() { scanf("%lld",&n); if(n==0) {cout<<0<<endl; return 0;} for 阅读全文
posted @ 2020-10-07 21:03 wuwendongxi 阅读(125) 评论(0) 推荐(0)