实在太冷了今天 taxi :错误原因1 忽略了 1 1 1 1 和 1 2 1 这种情况,直接认为最多两组一车了 2 语句顺序错 double cola: 忘了减去n的序号1,即n-- B. Taxi time limit per test 3 seconds memory limit per test 256 megabytes input standard input output standard output After the lessons n groups of schoolchi…

Hangover Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 103896   Accepted: 50542 Description How far can you make a stack of cards overhang a table? If you have one card, you can create a maximum overhang of half a card length. (We're a…

Highways Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 23033   Accepted: 10612 Description The island nation of Flatopia is perfectly flat. Unfortunately, Flatopia has no public highways. So the traffic is difficult in Flatopia. The Fl…

CodeForces - 158B.Taxi (贪心) 题意分析 首先对1234的个数分别统计,4人组的直接加上即可.然后让1和3成对处理,只有2种情况,第一种是1多,就让剩下的1和2组队处理,另外一种是3多,那么结果就加上3的个数,再单独处理2. 对于1和2组队处理的讨论:首先分配2,有2种情况,一种是2正好分配完了,另外一种就2还剩下2个人(正好剩下1组).就一起处理这个2个人和1剩下的人. 把每次处理的结果都加起来即可. 代码 #include <iostream> #include &…

113. Nearly prime numbers time limit per test: 0.25 sec. memory limit per test: 4096 KB Nearly prime number is an integer positive number for which it is possible to find such primes P1 and P2 that given number is equal to P1*P2. There is given a seq…

Problem description Sheldon, Leonard, Penny, Rajesh and Howard are in the queue for a "Double Cola" drink vending machine; there are no other people in the queue. The first one in the queue (Sheldon) buys a can, drinks it and doubles! The result…

Double Vision (Unity 5.0): 根据 http://http.developer.nvidia.com/CgTutorial/cg_tutorial_chapter03.html 教程来编写的Unity5.0 Shader. 基本思路是将Texture的UV向左和向右各自横移一小段距离得到两个新的UV(TexCoordLeft和TexCoordRight), 然后根据这两个UV将Texture取样出两个颜色值.Color1和Color2,然后将两个颜色值平等的Blend在一…

120. Archipelago time limit per test: 0.25 sec. memory limit per test: 4096 KB Archipelago Ber-Islands consists of N islands that are vertices of equiangular and equilateral N-gon. Islands are clockwise numerated. Coordinates of island N1 are (x1, y1…

Sudoku Checker Time Limit: 2000/1000MS (Java/Others)Memory Limit: 128000/64000KB (Java/Others) SubmitStatisticNext Problem Problem Description Sudoku is a popular single player game. The objective is to fill a 9x9 matrix with digits so that each colu…

136. Erasing Edges time limit per test: 0.25 sec. memory limit per test: 4096 KB Little Johnny painted on a sheet of paper a polygon with N vertices. Then, for every edge of the polygon, he drew the middle point of the edge. After that, he went to sc…