POJ2676 – Sudoku(数独)—DFS】的更多相关文章

做了很久还是参考了别人的答案orz,其实也不难啊.我要开始学一下怎么写搜索了... 题目链接:poj2676 Sudoku 题解:暴力搜索,DFS每个空白格子所放数字. #include<cstdio> #include<iostream> #include<cstring> #include<algorithm> #include<vector> using namespace std; ][];//row_f[i][j]=1表示第i行已经放了…
  Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 14368   Accepted: 7102   Special Judge Description Sudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In so…
好题,也非常有用,犯了几个错误 1.在枚举赋值的时候,思维有个错误:当当前的赋值不能填完这个数独,应该是继续下一个循环,而不是return false 终止枚举 2.Generic Programing写错了,,,本来那个memset想写成Generic Programing的,,,然后,永远仅仅有第一组结果对 不说了,泪哈,,, #include <cstdio> #include <cstring> #include <iostream> #include <…
Sudoku Killer Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 3674    Accepted Submission(s): 1160 Problem Description 自从2006年3月10日至11日的首届数独世界锦标赛以后,数独这项游戏越来越受到人们的喜爱和重视.据说,在2008北京奥运会上,会将数独列为一个单独的…
Sudoku Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 24081   Accepted: 11242   Special Judge Description Sudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure.…
-->Sudoku 直接中文 Descriptions: Sudoku对数独非常感兴趣,今天他在书上看到了几道数独题: 给定一个由3*3的方块分割而成的9*9的表格(如图),其中一些表格填有1-9的数字,其余的则为空白(数字0为空白).请在空白表格中填入数字1-9使得9*9表格的每行.每列.每个3*3块内无重复数字.  Input 第一行输入一个整数T,表示样例数量.对于每个样例, 一共9行, 表示数独表格的每一行.接下来每一行输入一个字符串表示数独表格的每一行的9个数字.数独表格中空白用数字0…
题目链接:Sudoku Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 18105   Accepted: 8772   Special Judge Description Sudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Fig…
题目链接:http://poj.org/problem?id=2676 Time Limit: 2000MS Memory Limit: 65536K Description Sudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In some of the cells are writte…
Sudoku Sudoku is a very simple task. A square table with 9 rows and 9 columns is divided to 9 smaller squares 3x3 as shown on the Figure. In some of the cells are written decimal digits from 1 to 9. The other cells are empty. The goal is to fill the…
题目链接. 题目大意: 就是数独游戏.横竖,每一个9宫方块,必须有1~9,且不重复. 分析: 直接DFS.一开始在原图上搜,会TLE.把要补全的空格,放入数组,这样就不用遍历整个图寻找要填的空格了. row, col, sq分别标记行,列,3*3方格是否重复. 话说,直接做 有人说反着搜(正着搜的意思就是从0~cnt-1,反着搜就是从cnt~0),试了试. AC代码如下: #include <cstdio> #include <iostream> #include <map&…