Can you solve this real interview question? Sudoku Solver - Write a program to solve a Sudoku puzzle by filling the empty cells. A sudoku solution must satisfy all of the following rules: 1. Each of the digits 1-9 must occur exactly once in each row.
m=board.size(),n=board[0].size(); inti,j,num; vector<vector<int>>Cflag(m,vector<int>(10,1)),Rflag(m,vector<int>(10,1)); vector<vector<vector<int>>>Gflag(m/3,vector<vector<int>>(n/3,vector<int>(10,1))); cflag=Cflag;rflag=Rflag;gflag=Gflag; for(i=0;i<m;i++){...
bool isValidSudoku(vector<vector<char> > &board) { map<char,int> mp; for (int i=0;i<9;i++) { mp.clear(); for (int j=0;j<9;j++) { mp[board[i][j]]++; if (mp[board[i][j]]>1&&board[i][j]!='.') { return false; } } } for (int j=0;j<9;j++) { mp.cle...
boolsolve(vector<vector<int>> &used1,vector<vector<int>> &used2,vector<vector<int>> &used3,vector<vector<char>>&board){ for(inti=0;i<board.size();i++) for(intj=0;j<board[0].size();j++){ intk=i/3*3+j/3; if(board[i][j]=='.'){ for(intfill=1;fill<10;fill++){ i...
for (int j = 0; j <= 2; j++) { if (vec[x + i][y + j] == value) return false; } } return true; } void dfs(vector<vector<char>> &vec, int line, int col) { //boundary condition if (line / 9 == 1) //每行每列都弄完了 ...
*/publicvoidsolveSudoku(char[][]board){solve(board);}privatebooleansolve(char[][]board){for(inti=0;i<9;i++){for(intj=0;j<9;j++){if(board[i][j]=='.'){for(intk=0;k<9;k++){board[i][j]=(char)('1'+k);if(isValid(board,i,j)&&solve(board)){returntrue;}else{// back...
(col+1)%9;//所以接下来尝试给 row col 填充数字for(inti=1;i<=9;i++){//检查i的可行性if(isValid(board,row,col,i)){board[row][col]=(char)(i+'0');booleanres=SudokuHelper(board,rowNew,colNew);if(res){//填充成功returntrue;}else{//填充失败board[row][col]='.';}}}returnfalse...
sudoku-solver sum-root-to-leaf-numbers summary-ranges surrounded-regions swap-nodes-in-pairs symmetric-tree text-justification the-skyline-problem trapping-rain-water triangle two-sum-ii-input-array-is-sorted two-sum-iii-data-structure-design two-sum unique-binary-search-trees-...
1953.Maximum-Number-of-Weeks-for-Which-You-Can-Work (M+) 2335.Minimum-Amount-of-Time-to-Fill-Cups (M+) DFS 037.Sudoku-Solver (M+) 040.Combination-Sum-II (M+) 051.N-Queens (M) 131.Palindrome-Partitioning (M+) 291.Word-Pattern-II (M) 417.Pacific-Atlantic-Water-Flow (M) 200.Nu...
II1.4 Median of Two Sorted Arrays1.5 Longest Consecutive Sequence1.6 Two Sum1.7 Valid Sudoku...