This problem involves determining the number of routes available to an emergency vehicle operating in a city of one-way streets. 本问题是要来计算:在一个所有街道都为单行线的城市中,一辆急救车可以通行的路径的数量。 The Problem 问题 Given the intersections connected by one-way streets in a city, ...
UVa OJ 125 - Numbering Paths (路径计数) Background背景Problems that process input and generate a simple "yes" or "no" answer are called decision problems. One class of decision problems, the NP-complete problems, are not amenable to general efficient solutions. Other problems may be simple ...
旨在收集各個OJ的題目分類、釋意、測試資料, 1. 另外還有一些資料結構和演算法的教學文章。 1. 網站上面的資料開放給大家自由補充, 1. 如果你有興趣,倒是可以替這個站補充資料。 1. igor's UVa tools 1. 早期的網站,現在站長已經沒有更新網站了。 1. 不過網站左上角的grep功能還滿好用的,可以搜尋問題的提示。
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Uvaoj 11248 Frequency Hopping(Dinic求最小割) 题意:1到n节点(节点之间有一定的容量),需要流过C的流量,问是否可以?如果可以输出possible, 否则如果可以扩大任意一条边的容量 可以达到目的,那么输出possible option:接着输出每一条可以达到目的的边(按升序),再否则输出not possible...
125 - Numbering Paths.cpp │ ├── 128 - Software CRC.cpp │ ├── 132 - Bumpy Objects.cpp │ ├── 133 - The Dole Queue.cpp │ ├── 134 - Loglan-A Logical Language.cpp │ ├── 135 - No Rectangles.cpp │ ├── 136 - Ugly Numbers.cpp │ ├── 139 - Telephone ...
注意选择4的时候,Showing the ranklist hurts students’ self-esteem. Don’t do that.\n的”’,oj上似乎是’’’ 还有选择5的时候,如果数据直接复制到vs上,会自动在:前补空格变成subject : xx而非subject: xx;注意人数为0的情况 唉,体验好差!!! #include<iostream> #include<string> #include<cstring...
UVAOJ127 UVAOJ127 127 –“Accordian” Patience Time limit: 3.000 seconds Accordian” Patience You are to simulate the playing of games ofAccordian” patience, the rules for which are as follows: Deal cards one by one in a row from left to right, not overlapping. Whenever the card matches...
UVAOJ196 UVAOJ196 196 – Spreadsheet Time limit: 3.000 seconds Spreadsheet In 1979, Dan Bricklin and Bob Frankston wrote VisiCalc, the first spreadsheet application. It became a huge success and, at that time, was the killer application for the Apple II computers. Today, spreadsheets are ...
The first line contains the number of words that your little brother has written. Each of the following lines contains a single word with all letters in lower-case. The words satisfy the constraints above: at most one letter might be wrong, but the word length is always correct. There will...