状态压缩. 每一个人所需的物品对应一个数字,统计一个每个数字有几个.每一种提供物品的状态也对应一个数字,然后暴力判断. #include<cstdio> #include<cstring> #include<algorithm> using namespace std; ; int n, m, k; int tot[maxn]; int ans; ], y; int main() { while (~scanf("%d%d%d", &n, &…
As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…
Emergency Time Limit: 1000ms Memory limit: 65536K 有疑问?点这里^_^ 题目描述 Kudo’s real name is not Kudo. Her name is Kudryavka Anatolyevna Strugatskia, and Kudo is only her nickname.Now, she is facing an emergency in her hometown:Her mother is developing a…
1017 - Exact cover 时间限制:15秒 内存限制:128兆 自定评测 5584 次提交 2975 次通过 题目描述 There is an N*M matrix with only 0s and 1s, (1 <= N,M <= 1000). An exact cover is a selection of rows such that every column has a 1 in exactly one of the selected rows. Try to find o…
As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…
#HUST deb http://mirrors.hust.edu.cn/ubuntu/ xenial main restricted universe multiverse deb http://mirrors.hust.edu.cn/ubuntu/ xenial-security main restricted universe multiverse deb http://mirrors.hust.edu.cn/ubuntu/ xenial-updates main restricted u…
1003. Emergency (25) 时间限制 400 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount…
1003. Emergency (25) As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between an…