题目描述: Description Given a specified total t and a list of n integers, find all distinct sums using numbers from the list that add up to t. For example, if t = 4, n = 6, and the list is [4, 3, 2, 2, 1, 1], then there are four different sums that equal…
Fire Net Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 5863 Accepted Submission(s): 3280 Problem Description Suppose that we have a square city with straight streets. A map of a city is a s…
http://wikioi.com/problem/1229/ 赤裸裸的水题啊. 一开始我认为不用用完全部的牌,以为爆搜会tle.. 可是我想多了. 将所有状态全部求出,排序后暴力判断即可. (水题有点严重啊) #include <cstdio> #include <algorithm> using namespace std; int n, m; int h[440000], cnt, a[12]; bool vis[12]; void dfs(int x, int sum, i…