Here another memory for speed implementation:class Solution {public: bool isValidSudoku(vector > &board) { size_t row_cnt = board.size(); ...
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其他好文 时间:
2014-08-15 14:18:48
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194
题目一: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 the character '.'.
...
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其他好文 时间:
2014-08-12 17:21:54
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250
思路:dfs+数独游戏规则。数独游戏规则是:同行同列不能有重复数字;并且每9宫内不能有重复数字 1 class Solution { 2 public: 3 bool isValid(vector > &board, int a, int b) { 4 int i,j; 5 ...
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其他好文 时间:
2014-08-10 23:58:20
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431
这道题是个细节实现题,只要把valid sudoku满足的三个条件判断一下即可。valid sudoku需满足下列三个条件:1)每一行数字1~9有且只出现一次。2)每一列数字1~9有且只出现一次。3)对于每个3*3的sub-box(用i=3、6,j=3、6两条线划分,总共9个sub-box)数字1~...
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其他好文 时间:
2014-08-10 23:57:10
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431
Sudoku SolverWrite a program to solve a Sudoku puzzle by filling the empty cells.Empty cells are indicated by the character'.'.You may assume that the...
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其他好文 时间:
2014-08-09 23:00:09
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269
Valid SudokuDetermine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are ...
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其他好文 时间:
2014-08-09 21:20:39
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226
题目地址:Sudoku题目大意: 一个9*9的矩阵,让你往里面填写数字,以保证每行每列以及9*9分解的9个小3*3的矩阵里 数字1-9不重复。如果有多种情况,输出其中一种即可。解题思路: 暴搜DFS。正着搜600+ms 。倒着搜0ms。 数据的原因。因为少写了一句话,让我调试了一下午。分析: 我.....
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其他好文 时间:
2014-08-08 09:36:45
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272
Description
The puzzle game of Sudoku is played on a board of N2 × N2 cells. The cells are grouped in N × N squares of N × N cells each. Each cell is either empty or contains a number between
1 a...
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其他好文 时间:
2014-08-02 23:26:34
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344
Sudoku
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 13665
Accepted: 6767
Special Judge
Description
Sudoku is a very simple task. A square table with...
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其他好文 时间:
2014-08-01 19:55:52
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323
SudokuTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 13665Accepted: 6767Special JudgeDescriptionSudoku is a very simple task. A square table...
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其他好文 时间:
2014-08-01 19:00:32
阅读次数:
333