parent
b05fdfa7fc
commit
b0b74c4c1c
@ -1,85 +0,0 @@
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#include <stdio.h>
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void output(int board[9][9]){
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int i;
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for(i = 0;i < 9 ;i++){
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if(i %3 == 0){
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printf("|-----------------------|\n");
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}
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printf("| %d %d %d | %d %d %d | %d %d %d |\n",
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board[i][0],board[i][1],board[i][2],board[i][3],board[i][4],board[i][5],board[i][6],board[i][7],board[i][8]);
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}
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printf("|-----------------------|\n");
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}
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void check(int matrix[9][9]) {
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for (int i = 0; i < 9; i++) {
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int count[10] = {0};
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for (int j = 0; j < 9; j++) {
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int num = matrix[i][j];
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if (num != 0) {
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count[num]++;
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if (count[num] > 1) {
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printf("False: The number %d in the row %d has been used!\n", num, i + 1);
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return;
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}
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}
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}
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}
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for (int j = 0; j < 9; j++) {
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int count[10] = {0};
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for (int i = 0; i < 9; i++) {
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int num = matrix[i][j];
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if (num != 0) {
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count[num]++;
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if (count[num] > 1) {
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printf("False: The number %d in the col %d has been used!\n", num, j + 1);
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return;
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}
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}
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}
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}
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for (int block = 0; block < 9; block++) {
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int count[10] = {0};
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int startRow = (block / 3) * 3;
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int startCol = (block % 3) * 3;
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for (int i = startRow; i < startRow + 3; i++) {
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for (int j = startCol; j < startCol + 3; j++) {
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int num = matrix[i][j];
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if (num != 0) {
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count[num]++;
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if (count[num] > 1) {
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printf("False: The number %d in the block %d has been used!\n", num, block + 1);
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return;
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}
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}
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}
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}
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}
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printf("True: Valid initial Sudoku matrix!\n");
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}
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int main() {
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int matrix[9][9] = {
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{5, 3, 0, 0, 7, 0, 0, 0, 0},
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{6, 0, 0, 1, 9, 5, 0, 0, 0},
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{0, 9, 8, 0, 0, 0, 0, 6, 0},
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{8, 0, 0, 0, 6, 0, 0, 0, 3},
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{4, 0, 0, 8, 0, 3, 0, 0, 1},
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{7, 0, 0, 0, 2, 0, 0, 0, 6},
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{0, 6, 0, 0, 0, 0, 2, 8, 0},
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{0, 0, 0, 4, 1, 9, 0, 0, 5},
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{0, 0, 0, 0, 8, 0, 0, 7, 9}
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};//示例矩阵
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printf("The original Sudoku matrix: \n");
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output(matrix);
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check(matrix);
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return 0;
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}
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