[1]随机化贪心 第一次遇到1 #include <bits/stdc++.h> 2 using namespace std; 3 typedef long long ll; 4 const ll mx = 1e3 + 10; 5 int n, t; 6 inline double dd(int a, int b){ 7 return sqrt(ab...
You are given nn strings str1,str2,…,strnstr1,str2,…,strn, each consisting of ( and ). The objective is to determine whether it is possible to permute the nn strings so that the concatena...
Drying
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 11512
Accepted: 2977
Description
It is very hard to wash and especially to dry clothes in winter. But Jane is a ...
Problem Description
When playing DotA with god-like rivals and pig-like team members, you have to face an embarrassing situation: All your teammates are killed, and you have to fight 1vN. There are...
A factory produces products packed in square packets of the same height h and of the sizes 1*1, 2*2, 3*3, 4*4, 5*5, 6*6. These products are always delivered to customers in the square parcels of the ...
