lljjccsskk的专栏

学习dp中。Unidirectional TSPTime Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 356    Accepted Submission(s): 176Problem DescriptionProbl

10618题意繁复，见紫书P291本题条件比较复杂，是情况比较多的多维dp，个人认为难点在处理各阶段关系上。看了紫书详细的解释，将各状态下的决策结果通过构造函数计算出来即可。记录一下，以后温习直接翻书。#include #include #include #include #include #include #include #include #include #in

A couple of years ago, a new world wide crisis started, leaving many people with economical problems.Some workers of a particular company are trying to ask for an increase in their salaries.The comp

Perfect ServiceTime Limit: 3000MS Memory Limit: Unknown 64bit IO Format: %lld & %lluSubmit StatusDescriptionA network is composed of N computers connected b

A password locker withN digits, each digit can be rotated to 0-9 circularly.You can rotate 1-3 consecutive digits up or down in one step.For examples:567890 → 567901 (by rotating the last 3 digi

Alibaba the famous character of our childhood stories would like to be immortal in order to keepbringing happiness to children. In order to rich this status he needs to prove that he is still able t

Randy Company hasN (1≤ N≤ 100) storages. Company wants some men to keep them safe. Nowthere areM (1≤ M≤ 30) men asking for the job. Company will choose several from them. RandyCompany empl

The BCCB (Bangladesh Cricket Control Board) has decided to build a new international cricket stadiumin Barisal. It will be convex in shape unlike others. Floodlight will be placed outside the stadium

FoldingTime Limit: 3000MS Memory Limit: Unknown 64bit IO Format: %lld & %lluSubmit StatusDescriptionBill is trying to compactly represent sequences of capit

Twenty QuestionsTime Limit: 3000MS Memory Limit: Unknown 64bit IO Format: %lld & %lluSubmit StatusDescriptionConsider a closed world and a set of features tha

Headmaster's HeadacheThe headmaster of SpringField School is consider-ing employing some newteachers for certain subjects.There are a number of teach-ers applying for the posts.Each teacher is

最长公共子串经典题

Bone CollectorDescriptionMany 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 we

PalindromeTime Limit: 4000/2000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4157    Accepted Submission(s): 1420Problem DescriptionA palindrome is a s

Multiplication PuzzleTime Limit: 1000MS Memory Limit: 65536KTotal Submissions: 4948 Accepted: 2958DescriptionThe multiplication puzzle is pl

Piggy-BankTime Limit:1000MS    Memory Limit:10000KB    64bit IO Format:%I64d & %I64uSubmitStatusDescriptionBefore ACM can do anything, a budget must be prepared and the necessary fin

此题与之前food delivery同为区间dp，但是我依然没有想到……大致题意为题目提供了n个party，每个party对应一件衣服。由于party对衣服有要求，所以要按穿要求的衣服。衣服穿上可以脱下，但不能再穿回去，若要穿上需要算一套新衣服。求符合party要求情况下的衣服最小件数。说说思路：在不知其他party情况下，假设在i到j个party之间衣服件数为dp[i][j]，则

Food DeliveryTime Limit: 2 Seconds      Memory Limit: 65536 KB When we are focusing on solving problems, we usually prefer to stay in front of computers rather than go out for lunch. At this

Balanced Lineup DescriptionFor the daily milking, Farmer John's N cows (1 ≤ N ≤ 50,000) always line up in the same order. One day Farmer John decides to organize a game of Ultimate Frisbee

Exploring PyramidsTime Limit: 3000MS  64bit IO Format: %lld & %lluSubmit Status uDebugDescriptionProblem descriptions:System Crawler 2016-10-16