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【Sudoku Solver】cpp
题目: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...
分类:其他好文   时间:2015-05-28 23:04:05    阅读次数:153
使用excel2003中的solver解决最优化问题
一 什么是最优化问题 当希望尽量获得最多(或做少)的某种东西,而为了是实现这个目的需要改变其他一些量的数字,这就是一个最优化的问题。二 解决方式 为了解决一个最优化问题,需要将决策变量、约束条件及希望最大化的目标合并成一个目标函数。且任何最优化问题都有一些约束条件和一个目标函数 P=c1*x1...
分类:其他好文   时间:2015-05-26 20:55:11    阅读次数:144
数独问题
问题: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 b...
分类:其他好文   时间:2015-05-24 08:51:53    阅读次数:128
POJ 3074 Sudoku 舞蹈链
#include #include #include #include #include #include #include #include #include #include #include #define INF 100000000 using namespace std; #define maxn 10000 #define maxnode 270000 st...
分类:其他好文   时间:2015-05-22 09:50:00    阅读次数:166
Leetcode 36 Valid Sudoku
三次9*9 循环,效率不高吧 class Solution: # @param {character[][]} board # @return {boolean} def isValidSudoku(self, board): if len(board)!=9 or len(board[0])!=9: return False...
分类:其他好文   时间:2015-05-21 19:34:32    阅读次数:130
LeetCode 37 Sudoku Solver (C,C++,Java,Python)
Problem: 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. ...
分类:编程语言   时间:2015-05-19 14:49:38    阅读次数:210
LeetCode 36 Valid Sudoku (C,C++,Java,Python)
Problem: 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 '.'. A p...
分类:编程语言   时间:2015-05-19 00:53:17    阅读次数:188
[LeetCode][JavaScript]Valid Sudoku
https://leetcode.com/problems/valid-sudoku/Valid SudokuDetermine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could ...
分类:编程语言   时间:2015-05-19 00:45:26    阅读次数:688
HDOJ Sudoku Killer(dfs)
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1426 思路分析:该问题为数独问题,明显解是唯一的,所有采用dfs搜索效果更好; 在搜索时,可以通过3个数组来判断对于某个特定的数是否能够满足要求,即在每一行、每一列和每一个3X3的方块中只有唯一的1~9...
分类:其他好文   时间:2015-05-19 00:25:47    阅读次数:197
【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:2015-05-18 16:00:43    阅读次数:102
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