摘要：
https://ac.nowcoder.com/acm/contest/315#question A.平方数 代码： #include <bits/stdc++.h> using namespace std; int n; int ans = 0; int main() { scanf("%d", 阅读全文
摘要：
http://codeforces.com/contest/1077/problem/D You are given an array ss consisting of nn integers. You have to find any array tt of length kk such that 阅读全文