37. 解数独 1A 这个题其实15分钟左右就敲出来并且对了...但是由于我输错了一个数..导致我白白debug一个多小时.. 没啥难度,练递归-dfs的好题 class Solution { private int which(int i, int j) { if (i <= 2) { if (j <= 2) return 1; if (j <= 5) return 2; return 3; } if (i <= 5) { if (j <= 2) return 4; if…
Write a program to solve a Sudoku puzzle by filling the empty cells. A sudoku solution must satisfy all of the following rules: Each of the digits 1-9 must occur exactly once in each row. Each of the digits 1-9 must occur exactly once in each column.…
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. Hide Tags B…
问题来源:leetCode Sudoku Solver Write a program to solve aSudoku puzzle by filling the empty cells. Empty cells are indicated by the character *.*. You may assume that there will be only one unique solution. 问题链接: https://oj.leetcode.com/problems/sudoku-…
var arry= new Array(); var nums= new Array(); var snum; function numchain() { snum=0; for(var i=0;i<9;i++) { nums[i]=new Array(); for(var j=0;j<9;j++) { if($("#mytb").children().eq(0).children().eq(i).children().eq(j).html()==""…
Write a program to solve a Sudoku puzzle by filling the empty cells. A sudoku solution must satisfy all of the following rules: Each of the digits 1-9 must occur exactly once in each row. Each of the digits 1-9 must occur exactly once in each column.…
三星机试也考了类似的题目,只不过是要针对给出的数独修改其中三个错误数字,总过10个测试用例只过了3个与世界500强无缘了 36. 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 '.'. A…
[题目] 每一行.每一列.每个3*3的格子里只能出现一次1~9. [思路] 参考了思路,附加了解释. dfs遍历所有非空格子,n是已经填好的个数. 初始化条件.n=81,都填了,返回结束.对于已经填好的b[x][y] != '.'跳过,到下一个. xy的设计保证先行后列填写. if (n == 81) return true; int x = n / 9; int y = n % 9; if (b[x][y] != '.') return dfs(b, n + 1); 开始填数字,validat…
Write a program to solve a Sudoku puzzle by filling the empty cells. A sudoku solution must satisfy all of the following rules: Each of the digits 1-9 must occur exactly once in each row. Each of the digits 1-9 must occur exactly once in each column.…
1.Two Sum Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution, and you may not use the same element twice. 使用hash public int[] twoSum…
