https://vjudge.net/contest/67836#problem/I Given a set of sticks of various lengths, is it possible to join them end-to-end to form a square? Input The first line of input contains N, the number of test cases. Each test case begins with an integer 4…
Magic Square Time Limit: 2 Seconds Memory Limit: 65536 KB In recreational mathematics, a magic square of n-degree is an arrangement of n2 numbers, distinct integers, in a square, such that the n numbers in all rows, all columns, and both diagona…
转自——http://blog.csdn.net/qwe20060514/article/details/8112550 =============================以下是最小生成树+并查集======================================[HDU]1213 How Many Tables 基础并查集★1272 小希的迷宫 基础并查集★1325&&poj1308 Is It A Tree? 基础并查集★1856 More i…
Sudoku Time Limit:10000MS Memory Limit:32768KB 64bit IO Format:%lld & %llu Submit Status Practice ZOJ 3122 Appoint description: System Crawler (2015-04-23) Description A Sudoku grid is a 16x16 grid of cells grouped in sixteen 4x4 squares, w…
POJ 2296 Map Labeler / ZOJ 2493 Map Labeler / HIT 2369 Map Labeler / UVAlive 2973 Map Labeler(2-sat 二分) Description Map generation is a difficult task in cartography. A vital part of such task is automatic labeling of the cities in a map; where for e…
Wumpus Time Limit: 2 Seconds Memory Limit: 65536 KB One day Leon finds a very classic game called Wumpus.The game is as follow. Once an agent fell into a cave. The legend said that in this cave lived a kind of monster called Wumpus, and there we…
Description A Sudoku grid is a 16x16 grid of cells grouped in sixteen 4x4 squares, where some cells are filled with letters from A to P (the first 16 capital letters of the English alphabet), as shown in figure 1a. The game is to fill all the empty g…
Wumpus Time Limit: 2 Seconds Memory Limit: 65536 KB One day Leon finds a very classic game called Wumpus.The game is as follow. Once an agent fell into a cave. The legend said that in this cave lived a kind of monster called Wumpus, and there we…
