144. [USACO Dec07] 魅力手镯 ★ 输入文件:charm.in 输出文件:charm.out 简单对比 时间限制:1 s 内存限制:8 MB 译 by CmYkRgB123 描述 贝茜去了大卖场的珠宝商店,发现一个魅力手镯,她想把最好的宝石镶嵌在这条手镯上.她有 N (1 ≤ N ≤ 3,402) 种可用宝石,每种宝石 i 都有其重量 Wi (1 ≤ Wi ≤ 400),与价值 Di (1 ≤ Di ≤ 100),每种宝石最多只能用一次.贝茜只能把总重量不超过 M…
Charm Bracelet Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 38909 Accepted: 16862 Description Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible fro…
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…
In Action Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 5472 Accepted Submission(s): 1843 Problem Description Since 1945, when the first nuclear bomb was exploded by the Manhattan Project t…
Charm Bracelet Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 34532 Accepted: 15301 Description Bessie has gone to the mall's jewelry store and spies a charm bracelet. Of course, she'd like to fill it with the best charms possible fro…
http://poj.org/problem?id=2184 Description "Fat and docile, big and dumb, they look so stupid, they aren't much fun..." - Cows with Guns by Dana Lyons The cows want to prove to the public that they are both smart and fun. In order to do this,…
题目链接 http://acm.split.hdu.edu.cn/showproblem.php?pid=5410 Problem Description Today is CRB's birthday. His mom decided to buy many presents for her lovely son.She went to the nearest shop with M Won(currency unit).At the shop, there are N kinds of pr…
题目链接 http://acm.hust.edu.cn/vjudge/contest/130883#problem/C Problem Description Zero Escape, is a visual novel adventure video game directed by Kotaro Uchikoshi (you may hear about ever17?) and developed by Chunsoft. Stilwell is enjoying the first ch…
Washing Clothes Time Limit: 1000MS Memory Limit: 131072K Total Submissions: 9707 Accepted: 3114 Description Dearboy was so busy recently that now he has piles of clothes to wash. Luckily, he has a beautiful and hard-working girlfriend to help him…
Many years ago , in Teddy’s hometown there was a man who was called “Bone Collector”. This man like to collect varies of bones , such as dog’s , cow’s , also he went to the grave …The bone collector had a big bag with a volume of V ,and along his tri…