Problem Description
The 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed with 15 sliding tiles, each with a number from 1 to 15 on it, and all packed into a 4 by 4 frame with one tile m...
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编程语言 时间：
2015-02-15 09:29:04
阅读次数：
1023
A hard puzzle
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)
Total Submission(s): 32334 Accepted Submission(s): 11562
Problem Description
lcy gives a ha...
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其他好文 时间：
2015-02-12 16:17:46
阅读次数：
145
题目地址：点这里
思路：可以先确定A，B的坐标，然后再通过确定向量来硬算出角度。。好像可以推公式做，没推出来╮(╯_╰)╭
AC代码：
#include
#include
#include
#include
#include
using namespace std;
const double PI = 4 *...
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其他好文 时间：
2015-02-11 09:24:25
阅读次数：
202
传送门：Katu Puzzl题意：n个点，点的取值可以是0或者1。m条边，有权值，有运算方式（并，或，异或），要求和这条边相连的两个点经过边上的运算后的结果是边的权值。问你有没有可能把每个点赋值满足所有边的要求。分析：每个点必须取一个值满足所有限制条件，明显的two-sat模型。AND 结果为1：建...
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其他好文 时间：
2015-02-10 18:16:22
阅读次数：
150
Write a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume that there will be on...
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其他好文 时间：
2015-02-10 14:56:42
阅读次数：
173
Then-queens puzzle is the problem of placingnqueens on ann×nchessboard such that no two queens attack each other.Given an integern, return all distinc...
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其他好文 时间：
2015-02-10 14:39:14
阅读次数：
180
PuzzleA children's puzzle that was popular 30 years ago consisted of a 5x5 frame which contained 24 small squares of equal size. A unique letter of th...
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其他好文 时间：
2015-02-08 16:43:58
阅读次数：
116
题目要求：Sudoku SolverWrite a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume tha...
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其他好文 时间：
2015-02-07 18:49:37
阅读次数：
182
Solution to the n Queens Puzzle
Time Limit: 1000MS
Memory Limit: 131072K
Total Submissions: 3494
Accepted: 1285
Special Judge
Description
The eight queens puz...
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其他好文 时间：
2015-02-07 09:13:07
阅读次数：
170
题目链接：Sudoku Solver
Write a program to solve a Sudoku puzzle by filling the empty cells.
Empty cells are indicated by the character '.'.
You may assume that there will be only one unique solution.
...
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其他好文 时间：
2015-02-06 00:49:25
阅读次数：
155
