You are running for a governor in a small city in Russia. You ran some polls and did some research, and for every person in the city you know whom he will vote for, and how much it will cost to bribe that person to vote for you instead of whomever he…
题目描述: C. Elections time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output As you know, majority of students and teachers of Summer Informatics School live in Berland for the most part of the year…
C. Weakness and Poorness Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/578/problem/C Description You are given a sequence of n integers a1, a2, ..., an. Determine a real number x such that the weakness of the sequence a1 -…
The Meeting Place Cannot Be Changed Problem Description The main road in Bytecity is a straight line from south to north. Conveniently, there are coordinates measured in meters from the southernmost building in north direction. At some points on the…
题目链接: http://codeforces.com/problemset/problem/258/B B. Little Elephant and Elections time limit per test2 secondsmemory limit per test256 megabytes 问题描述 There have recently been elections in the zoo. Overall there were 7 main political parties: one…
[题目描述] Elections are coming. You know the number of voters and the number of parties — n and m respectively. For each voter you know the party he is going to vote for. However, he can easily change his vote given a certain amount of money. In particu…
D. Devu and his Brother time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Devu and his brother love each other a lot. As they are super geeks, they only like to play with arrays. They are giv…
369C - Valera and Elections 思路:dfs,对于搜索到的每个节点,看他后面有没有需要修的路,如果没有,那么这个节点就是答案. 代码: #include<bits/stdc++.h> using namespace std; #define ll long long #define pb push_back ; vector<int>g[N]; vector<int>edge[N]; vector<int>ans; int dfs(i…
E. Weakness and Poorness time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a sequence of n integers a1, a2, ..., an. Determine a real number x such that the weakness of the seq…
A. Andryusha and Socks time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Andryusha is an orderly boy and likes to keep things in their place. Today he faced a problem to put his socks in the…
B. The Meeting Place Cannot Be Changed time limit per test 5 seconds memory limit per test 256 megabytes input standard input output standard output The main road in Bytecity is a straight line from south to north. Conveniently, there are coordinates…
A. Bear and Elections time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Limak is a grizzly bear who desires power and adoration. He wants to win in upcoming elections and rule over the Bearla…