#include<cstdio> #include<algorithm> #define REP(i, a, b) for(int i = (a); i < (b); i++) using namespace std; const int MAXN = 11234; int f[MAXN]; int main() { int n, m; scanf("%d%d", &n, &m); REP(i, 0, n) { int w, v; scan…
题意:过山车有n个区域,一个人有两个值F,D,在每个区域有两种选择: 1.睁眼: F += f[i], D += d[i] 2.闭眼: F = F , D -= K 问在D小于等于一定限度的时候最大的F. 解法: 用DP来做,如果定义dp[i][j]为前 i 个,D值为j的情况下最大的F的话,由于D值可能会增加到很大,所以是存不下的,又因为F每次最多增加20,那么1000次最多增加20000,所以开dp[1000][20000],dp[i][j]表示前 i 个,F值为j的情况下最小的D.…
Team Them Up! Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 7608 Accepted: 2041 Special Judge Description Your task is to divide a number of persons into two teams, in such a way, that: everyone belongs to one of the teams; every t…
传送门 Description Hasan and Bahosain want to buy a new video game, they want to share the expenses. Hasan has a set of N coins and Bahosain has a set of M coins. The video game costs W JDs. Find the number of ways in which they can pay exactly W JDs su…