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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <time.h>
void generateMatrix(int matrix[9][9]) {
srand(time(0)); // 使用当前时间作为随机数种子
// 初始化矩阵
int i,j;
for (i = 0; i < 9; i++) {
for (j = 0; j < 9; j++) {
matrix[i][j] = 0;
}
}
// 生成每行的数字
int row;
for (row = 0; row < 9; row++) {
// 生成1-9的随机排列
int nums[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
for (i = 0; i < 9; i++) {
int j = rand() % (i + 1);
int temp = nums[i];
nums[i] = nums[j];
nums[j] = temp;
}
// 将前三个随机数放入矩阵
for ( i = 0; i < 3; i++) {
matrix[row][i] = nums[i];
}
}
// 打乱每行的顺序
for (row = 0; row < 9; row++) {
for ( i = 0; i < 9; i++) {
int j = rand() % 9;
int temp = matrix[row][i];
matrix[row][i] = matrix[row][j];
matrix[row][j] = temp;
}
}
}
void printMatrix(int matrix[9][9]) {int i,j;
for (i = 0; i < 9; i++) {
for (j = 0; j < 9; j++) {
printf("%d ", matrix[i][j]);
}
printf("\n");
}
}
int main() {
int matrix[9][9];
generateMatrix(matrix);
printMatrix(matrix);
return 0;
}