摘要：
// A Maximum Square : #include<bits/stdc++.h> using namespace std; const int N=1e5+10; typedef long long ll; int arr[N]; int main() { int T; scanf("%d 阅读全文
摘要：
Ujan has a lot of useless stuff in his drawers, a considerable part of which are his math notebooks: it is time to sort them out. This time he found a 阅读全文
摘要：
Constanze is the smartest girl in her village but she has bad eyesight. One day, she was able to invent an incredible machine! When you pronounce lett 阅读全文