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ACM Contest Scoring Our new contest submission system keeps a chronological log of all submissions made by each team during the contest. With each entry, it records the number of minutes into the competition at which the submission was received, the…
The Best Seat in ACM Contest Time Limit: 1000MS Memory limit: 65536K 题目描述 Cainiao is a university student who loves ACM contest very much. It is a festival for him once when he attends ACM Asia Regional Contest because he always can find some famous…
题目描述 Cainiao is a university student who loves ACM contest very much. It is a festival for him once when he attends ACM Asia Regional Contest because he always can find some famous ACMers there. Cainiao attended Asia Regional Contest Fuzhou Site on N…
链接:https://www.nowcoder.com/acm/contest/96/H来源:牛客网 题目描述 今天qwb要参加一个数学考试,这套试卷一共有n道题,每道题qwb能获得的分数为ai,qwb并不打算把这些题全做完, 他想选总共2k道题来做,并且期望他能获得的分数尽可能的大,他准备选2个不连续的长度为k的区间, 即[L,L+1,L+2,....,L+k-1],[R,R+1,R+2,...,R+k-1](R >= L+k). 输入描述: 第一行一个整数T(T<=10),代表有T组数据接…
ACM Contest and Blackout 题目链接:https://vjudge.net/problem/UVA-10600 Description: In order to prepare the “The First National ACM School Contest” (in 20??) the major of the city decided to provide all the schools with a reliable source of power. (The m…
题目链接:https://vjudge.net/problem/UVA-10600 In order to prepare the “The First National ACM School Contest” (in 20??) the major of the city decided to provide all the schools with a reliable source of power. (The major is really afraid of blackoutsJ).…
又是求次小生成树,就是求出最小生成树,然后枚举不在最小生成树上的每条边,求出包含着条边的最小生成树,然后取一个最小的 #include <iostream> #include <algorithm> #include <cstdio> #include <cstdlib> #include <cstring> #include <string> #include <stack> #include <queue>…
[题意] n个点,m条边,求最小生成树的值和次小生成树的值. InputThe Input starts with the number of test cases, T (1 < T < 15) on a line. Then T test cases follow. Thefirst line of every test case contains two numbers, which are separated by a space, N (3 < N < 100)the n…
题意就是求最小生成树和次小生成树 #include<cstdio> #include<iostream> #include<algorithm> #include<cmath> #include<cstring> #include<string> #define cl(a,b) memset(a,b,sizeof(a)) #define debug(x) cerr<<#x<<"=="<…
题意: 求最小生成树和次小生成树的总权值. 思路: 第一种做法,适用于规模较小的时候,prim算法进行的时候维护在树中两点之间路径中边的最大值,复杂度O(n^2),枚举边O(m),总复杂度O(n^2): 第二种做法,倍增求lca,预处理复杂度O(nlog(n)),替换的时候log(n),总复杂度为O(mlog(n)). 代码: #include <stdio.h> #include <string.h> #include <algorithm> using namesp…