Ping pong

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HDU 2492 Ping pong (树状数组)

题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=2492 Ping pong Problem Description N(3<=N<=20000) ping pong players live along a west-east street(consider the street as a line segment). Each player has a unique skill rank. To improve their skill rank…

UVALive 4329 Ping pong

Ping pong Time Limit: 3000MS Memory Limit: Unknown 64bit IO Format: %lld & %llu [Submit] [Go Back] [Status] Description N(3N20000) ping pong players live along a west-east street(consider the street as a li…

POJ 3928 Ping pong（树状数组）

Ping pong Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 3139 Accepted: 1157 Description N(3<=N<=20000) ping pong players live along a west-east street(consider th…

LA4329 Ping pong（树状数组与组合原理）

N (3N20000)ping pong players live along a west-east street(consider the street as a line segment). Each player has a unique skill rank. To improve their skill rank, they often compete with each other. If two players want to compete, they must choose…

Ping pong Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 4094 Accepted Submission(s): 1522 Problem Description N(3<=N<=20000) ping pong players live along a west-east street(consider the st…

POJ 3928 Ping pong

题目链接:http://poj.org/problem?id=3928 乒乓比赛,有N个人参加,输入每个玩家的技能等级,对每个人设置一个特定ID和一个技能值,一场比赛需要两个选手和一个裁判,只有当裁判的ID和技能值都在两个选手之间的时候才能进行一场比赛,现在问一共能组织多少场比赛. 参考的其他人的代码,重新敲了一遍. /*POJ 3928 Ping pong */ #include<cstdio> #include<cstring> #include<algorithm>…

Frequent values && Ping pong

Frequent values 题意是不同颜色区间首尾相接,询问一个区间内同色区间的最长长度. 网上流行的做法,包括翻出来之前POJ的代码也是RMQ做法,对于序列上的每个数,记录该数向左和向右延续的最远位置,那么对于一个查询Q(L, R),它的答案就分成了三种情况right(L) - L,R - left(R)以及Q(L+right(L),R-left(R)). 这里给出一个线段树做法,在线段树的节点上维护3个量:l_value, r_value, value分别表示以左端点为起始点,以右端点为…