HDU 4362 Dragon Ball 贪心DP

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HDU 4362 Dragon Ball 贪心DP

Dragon Ball Problem Description Sean has got a Treasure map which shows when and where the dragon balls will appear. some dragon balls will appear in a line at the same time for each period.Since the time you got one of them,the other dragon ball w…

HDU 4362 Dragon Ball 线段树

#include <cstdio> #include <cstring> #include <cmath> #include <queue> #include <map> #include <set> #include <stack> #include <vector> #include <iostream> #include <algorithm> using namespace st…

HDU 5903 Square Distance (贪心+DP)

题意:一个字符串被称为square当且仅当它可以由两个相同的串连接而成. 例如, "abab", "aa"是square, 而"aaa", "abba"不是. 两个长度相同字符串之间的 hamming distance是对应位置上字符不同的位数. 给定一行字符串和 m,输出字典序最小的字符串. 析:首先先用dp判断能不能形成这样的字符串,然后再打印出来,dp[i][j] 表示 i - 中间的数能不能改 j 个字符得到,最后打印…

HDU 1051 Wooden Sticks 贪心||DP

Wooden Sticks Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 22000 Accepted Submission(s): 8851 Problem Description There is a pile of n wooden sticks. The length and weight of each stick ar…

hdu 1257 最少拦截系统【贪心 || DP——LIS】

链接: http://acm.hdu.edu.cn/showproblem.php?pid=1257 http://acm.hust.edu.cn/vjudge/contest/view.action?cid=28195#problem/D 最少拦截系统 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 12863 Accepted…

hdu 3635 Dragon Balls (带权并查集)

Dragon Balls Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3363 Accepted Submission(s): 1304 Problem Description Five hundred years later, the number of dragon balls will increase unexpecte…

hdu 3635 Dragon Balls（并查集应用）

Problem Description Five hundred years later, the number of dragon balls will increase unexpectedly, so it's too difficult for Monkey King(WuKong) to gather all of the dragon balls together. His country has N cities and there are exactly N dragon bal…