class Solution { public boolean isValidSudoku(char[][] board) { int row[][] = new int[9][10]; int col[][] = new int[9][10]; int box[][] = new int[9][10]; for(int i = 0; i < 9; i ++){ for(int j = 0; j < 9; j ++){ if(board[i][j] == '.') continue; int curNum = board[i][j] - '0'; if(row[i][curNum] == 1) return false; if(col[j][curNum] == 1) return false; if(box[j/3 + (i/3)*3][curNum] == 1) return false; row[i][curNum] = 1; col[j][curNum] = 1; box[j/3 + (i/3)*3][curNum] = 1; } } return true; } }
标签:box,10,int,力扣,有效,new,数独 From: https://www.cnblogs.com/laidoulaile/p/16874094.html