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Valid Sudoku
Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with...
分类:其他好文   时间:2014-09-03 19:39:47    阅读次数:181
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 o...
分类:其他好文   时间:2014-09-02 22:46:45    阅读次数:227
POJ 2676 Sudoku (搜索,Dancing Links)
题目:http://poj.org/problem?id=2676题意:数独,每行1-9,每列1-9,每3*3小格1-9,填数,不能重复方法:Dancing Links(16ms)或者DFS暴搜(400-900ms)Dancing Links(DLX) 是为了解决矩阵精确覆盖问题的算法,算法效率非常...
分类:其他好文   时间:2014-09-02 14:07:34    阅读次数:225
ACdream区域赛指导赛之手速赛系列(6)
Problem Description Sudoku is a popular single player game. The objective is to fill a 9x9 matrix with digits so that each column, each row, and all 9 non-overlapping 3x3 sub-matrices contain all o...
分类:其他好文   时间:2014-08-30 11:18:09    阅读次数:286
[LeetCode] Valid Sudoku
Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with...
分类:其他好文   时间:2014-08-26 13:06:46    阅读次数:223
[LeetCode] Sudoku Solver(迭代)
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 o...
分类:其他好文   时间:2014-08-26 00:18:35    阅读次数:290
POJ 3076 Sudoku (dancing links)
题目大意:16*16的数独。思路分析:多说无益.想说的就是dancing links 的行是依照第一行第一列填 1第一行第二列填 2……第一行第十五列填15第一行第二列填 1……第二行。。。。列的纺织则是第一行放1,第一行放2,。。第十六行放16.。。第一列放1.。第一列放2.。。第十六列放16.。...
分类:其他好文   时间:2014-08-23 12:33:30    阅读次数:264
POJ 2676 Sudoku
这道题目原来我理解错了,以为要使得行列出现的数字完全不同 调试花了我一早上的时间,擦擦擦 其实只要小方格内的不同就够了 这里注意一个小技巧: vis1[i][ans[i][j]]=1;    vis2[ans[i][j]][j]=1; 使得行列取不同的数字用于判重 #include #include int map[10][10],ar[80][2],used1[10][10...
分类:其他好文   时间:2014-08-16 15:10:50    阅读次数:216
LeetCode "Sudoku Solver"
Simply DFS + Backtrace, as N-Queenclass Solution {public: vector> rows; vector> cols; vector>> subboxHm; bool isValid(char c, int i, int j...
分类:其他好文   时间:2014-08-16 07:29:10    阅读次数:166
页面上有多个Button的代码
当页面上有多个按钮,为每个都写个响应函数相当麻烦:可以这样来做:方法1: 1 public class Sudoku extends Activity implements OnClickListener{ 2 /** Called when the activity is first cr...
分类:其他好文   时间:2014-08-15 22:30:29    阅读次数:342
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