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HDU 1426 Sudoku Killer【DFS 数独】

自从2006年3月10日至11日的首届数独世界锦标赛以后，数独这项游戏越来越受到人们的喜爱和重视。据说，在2008北京奥运会上，会将数独列为一个单独的项目进行比...

2017-08-26

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HDU 1427 速算24点【数值型DFS】

速算24点 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2562 Accepted Submission(s): 606 ...

2017-08-26

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HDU 1015 Safecracker【数值型DFS】

Safecracker Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3966 Accepted Submission(s): 2...

2017-08-26

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HDU 2553 N皇后问题【棋盘型DFS】

N皇后问题 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 12904 Accepted Submission(s): 5811 ...

2017-08-26

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HDU 2660 Accepted Necklace【数值型DFS】

Accepted Necklace Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2474 Accepted Submission...

2017-08-26

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2016中国大学生程序设计竞赛 - 女生专场

【VJ地址】：https://cn.vjudge.net/contest/180373#problem/A A HDU - 5702 【题意】：t个样例，n个气球，给出颜色和该颜色气球的数量，按照数量多少降序排列。【分析】：结构体排序，水题。【代码】： #incl...

2017-08-26

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DFS之奇偶剪枝

问题描述：给定一个 N * M的迷宫+起点+终点，迷宫中有一些障碍无法穿过，问能否不重复也不停留地在刚好一共走 t 步出迷宫。先上结论：在理想情况下，s到e需要的最小步数为m=|ex-sx|+|ey-sy| 即abs(ex-sx)+abs(ey-sy) 当最小步数m与t同为奇数，...

2017-08-24

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G - Rescue 【地图型BFS+优先队列（有障碍物）】

Angel was caught by the MOLIGPY! He was put in prison by Moligpy. The prison is described as a N * M (N, M <= 200) matrix. There are WALLs, ROADs, ...

2017-08-21

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E - A strange lift 【数值型BFS+上下方向】

There is a strange lift.The lift can stop can at every floor as you want, and there is a number Ki(0 <= Ki <= N) on every floor.The lift have ju...

2017-08-21

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D - Interesting Calculator 【数值型BFS+优先队列】

There is an interesting calculator. It has 3 rows of buttons. Row 1: button 0, 1, 2, 3, ..., 9. Pressing each button appends that digit to the end...

2017-08-21

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