Fractal Streets Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 445 Accepted: 162 Description With a growing desire for modernization in our increasingly larger cities comes a need for new street designs. Chris is one of the unfortunat…
Streets and Avenues in Berhattan 我们首先能发现在最优情况下最多只有一种颜色会分别在行和列, 因为你把式子写出来是个二次函数, 在两端取极值. 然后我们就枚举哪个颜色会分别在行和列. 然后枚举这种颜色在行的个数, 再求出需要在列放的最少的这种颜色的个数. 这个我们可以用dp来check, dp[ i ] 表示 完整地加入若干种颜色能否恰好为 i , 然后再把dp[ i ]转成, 能组成大于等于 i 的最小值. #include<bits/stdc++.h> #d…
One-Way Streets (oneway) 题目描述 Once upon a time there was a country with nn cities and mm bidirectional roads connecting them. Technical development led to faster and larger road vehicles which presented a problem-the roads were becoming too narrow f…
题目链接:https://codeforc.es/contest/1070/problem/J 题意:给出一个长度为 k 的字符串,选出 n 个和 m 个不同位置的字符构成两个字符串,使得两个字符串相同字母的对数最少. 题解:在最优解的情况下,两个字符串相同的字母只有一个(假设有两种相同的字母,调换他们的位置变得只有一种相同字母的时候更优,可以自行草稿纸上写下不等式证明),可以枚举相同的字母,剩下的字母做 01 背包判断可以构成的最大长度即可. #include <bits/stdc++.h>…
目录 @description@ @solution@ @accepted code@ @details@ @description@ 给定一张 n 个点 m 条边的无向图,现在想要把这张图定向. 有 p 个限制条件,每个条件形如 \((x_i, y_i)\),表示在新的有向图当中,\(x_i\) 要能够沿着一些边走到 \(y_i\). 现在请你求出,每条边的方向是否能够唯一确定.同时请给出这些能够唯一确定的边的方向. 输入格式 第一行两个空格隔开的正整数 n, m. 接下来 m 行,每行两个空…
Sightseeing tour Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 9276 Accepted: 3924 Description The city executive board in Lund wants to construct a sightseeing tour by bus in Lund, so that tourists can see every corner of the beauti…
传送门 Heavy Transportation Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 31882 Accepted: 8445 Description Background Hugo Heavy is happy. After the breakdown of the Cargolifter project he can now expand business. But he needs a clever…
原文 Some fresh air After your time underground,you can return to ground level or maybe even a little higher at Kosciuszko Mound. The 34-meter hill is a memorial for a Polish military hero but also offers a panoramic view of surrounding city from top.…
时间限制:10000ms 单点时限:1000ms 内存限制:256MB 描述 Little Hi gets lost in the city. He does not know where he is. He does not know which direction is north. Fortunately, Little Hi has a map of the city. The map can be considered as a grid of N*M blocks. Each blo…
UVA - 10048 Audiophobia Consider yourself lucky! Consider yourself lucky to be still breathing and having fun participating in this contest. But we apprehend that many of your descendants may not have this luxury. For, as you know, we are the dweller…
/// <summary> /// 创建NetWorkDataset /// </summary> /// <returns>INetworkDataset.</returns> public INetworkDataset CreateNetWorkDataset() { log.WriteLog("开始创建NetWorkDataset..."); //Create a new empty data element for a buil…
Air Raid Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 4959 Accepted Submission(s): 3339 Problem Description Consider a town where all the streets are one-way and each street leads from one…
1269 匈牙利游戏 2012年CCC加拿大高中生信息学奥赛 时间限制: 1 s 空间限制: 128000 KB 题目等级 : 钻石 Diamond 题目描述 Description Welcome to the Hungary Games! The streets of Budapest form a twisted network of one-way streets. 欢迎来到匈牙利游戏!布达佩斯(匈牙利首都)的街道形成了一个弯曲的单向网络. You have been…
Lesson 10 The loss of Titanic The great ship, Titanic, sailed for New York from Southampton on April 10th, 1912. She was carrying 1316 passengers and a crew of 89l. Even by modern standards, the 46,000 ton Titanic was a colossal ship. At that time, h…
Time limit: 0.5 second Memory limit: 64 MB Many of SKB Kontur programmers like to get to work by Metro because the main office is situated quite close the station Uralmash. So, since a sedentary life requires active exercises off-duty, many of the st…