Zero SumConsider the sequence of digits from 1 through N (where N=9) in increasing order: 1 2 3 ... N. Now insert either a `+' for addition or a `-' for subtraction or a ` ' [blank] to run the digits together between each pair of digits (not in front…

题目链接: 题目 D. Toy Sum time limit per test:1 second memory limit per test:256 megabytes 问题描述 Little Chris is very keen on his toy blocks. His teacher, however, wants Chris to solve more problems, so he decided to play a trick on Chris. There are exactly…

最终代码地址:https://github.com/laiy/Datastructure-Algorithm/blob/master/sicily/1317.c 这题博主刷了1天,不是为了做出来,AC之后在那死磕性能... 累积交了45份代码,纪念一下- - 以上展示了从1.25s优化到0.03s的艰苦历程... 来看题目吧,就是一个数独求解的题: 1317. Sudoku Constraints Time Limit: 10 secs, Memory Limit: 32 MB Descript…

转载请注明出处: http://www.cnblogs.com/fraud/          ——by fraud Xenia and Weights Xenia has a set of weights and pan scales. Each weight has an integer weight from 1 to 10 kilos. Xenia is going to play with scales and weights a little. For this, she puts…

A very hard Aoshu problem Time Limit:1000MS     Memory Limit:32768KB     64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4403 Description Aoshu is very popular among primary school students. It is mathematics, but much harder than ordinary m…

Description Word puzzles are usually simple and very entertaining for all ages. They are so entertaining that Pizza-Hut company started using table covers with word puzzles printed on them, possibly with the intent to minimise their client's percepti…

Covering Bob's school has a big playground, boys and girls always play games here after school. To protect boys and girls from getting hurt when playing happily on the playground, rich boy Bob decided to cover the playground using his carpets. Meanwh…

Mines Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1110    Accepted Submission(s): 280 Problem Description Terrorists put some mines in a crowded square recently. The police evacuate all peo…

Help Me with the Game Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 3175   Accepted: 2053 Description Your task is to read a picture of a chessboard position and print it in the chess notation. Input The input consists of an ASCII-art…

3033: 太鼓达人 Time Limit: 1 Sec  Memory Limit: 128 MBSubmit: 204  Solved: 154[Submit][Status][Discuss] Description 七夕祭上,Vani牵着cl的手,在明亮的灯光和欢乐的气氛中愉快地穿行.这时,在前面忽然出现了一台太鼓达人机台,而在机台前坐着的是刚刚被精英队伍成员XLk.Poet_shy和lydrainbowcat拯救出来的的applepi.看到两人对太鼓达人产生了兴趣,applepi果断闪…