D. Weird Chess Time Limit: 1 Sec Memory Limit: 256 MB 题目连接 http://codeforces.com/contest/538/problem/D Description Igor has been into chess for a long time and now he is sick of the game by the ordinary rules. He is going to think of new rules of th…
油田问题(L - 暴力求解.DFS) Description The GeoSurvComp geologic survey company is responsible for detecting underground oil deposits. GeoSurvComp works with one large rectangular region of land at a time, and creates a grid that divides the land into numerou…
jrMz and angle Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) 问题描述 jrMz有两种角,第一种角都是正nn边形的内角,第二种角都是正mm边形的内角.jrMz想选出其中一些,某种角可以选多个或一个都不选,使得选出的所有角的度数之和恰好为360度.jrMz想知道这是否可能实现. 输入描述 有多组测试数据,第一行一个整数\left(1\leq T\leq10…
[codeforces538D]Weird Chess 试题描述 Igor has been into chess for a long time and now he is sick of the game by the ordinary rules. He is going to think of new rules of the game and become world famous. Igor's chessboard is a square of size n × n cells.…
Problem Description Avin is studying series. A series is called "wave" if the following conditions are satisfied:1) It contains at least two elements;2) All elements at odd positions are the same;3) All elements at even positions are the same;4)…