POJ3076 Sudoku 本题为16*16宫格 剪枝见代码 #include <cstdio> #include <iostream> #include <algorithm> #include <cstring> using namespace std; ; #define res register int int map[N][N]; unsigned short t[N][N]; //table[i,j](二进制)表示(i,j)可以填的数,0可填,…

欢迎访问~原文出处——博客园-zhouzhendong 去博客园看该题解 题目(传送门) 题意概括 给出一个残缺的16*16数独,求解. 题解 DLX + 矩阵构建  (两个传送门) 学完这个之后,再思考这一题.同样,每个位置每种取值4个信息. 数独共256个格子,每个格子都得填一个数,那么,我们要精确覆盖每一个格子,所以我们首先建立1~256列. 然后还有16行,每行1~16,每行都得精确覆盖,16行,又得建立16*16=256列: 然后还有16列,每列1~16,同理. 然后还有16个4*4的…

转自:http://blog.csdn.net/shahdza/article/details/7986037 POJ3740 Easy Finding [精确覆盖基础题]HUST1017 Exact cover [精确覆盖基础]HDOJ3663 Power Stations [精确覆盖]ZOJ3209 Treasure Map [精确覆盖]HDOJ2828 Lamp [精确覆盖+重复覆盖判独]HDOJ3498 whosyourdaddy [重复覆盖]HDOJ3529 Bomberman - J…

POJ3740     Easy Finding [精确覆盖基础题] HUST1017    Exact cover [精确覆盖基础] HDOJ3663 Power Stations [精确覆盖] ZOJ3209    Treasure Map [精确覆盖] HDOJ2828 Lamp [精确覆盖+重复覆盖判独] HDOJ3498 whosyourdaddy [重复覆盖] HDOJ3529 Bomberman - Just Search! [重复覆盖] POJ1084    Square Des…

Sudoku is one of the metaphysical techniques. If you understand the essence of it, you will have the feeling of being immortal, laughing and laughing with joy.............................................................(audience:"We need't such a geo…

题目链接:Sudoku Solver | LeetCode OJ 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. A sudoku puzzle... ...and its solution n…

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. A sudoku puzzle... ...and its solution numbers marked in red. 这道求解数独的题是在之…

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 partially filled sudoku which is valid. Note:A valid Sudoku board (partially…

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 partially filled sudoku which is valid. Note:A valid Sudoku board (p…

题目简述: 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 partially filled sudoku which is valid. Note: A valid Sudoku board (par…