#include #include #include void shuffleArray(int array[], int length) { srand(time(NULL)); for (int i = length - 1; i > 0; i--) { int j = rand() % (i + 1); int temp = array[i]; array[i] = array[j]; array[j] = temp; } } void output(int arry[9][9]) { int i,j; printf("|-----------------------|\n"); for(i=0;i<9;i++) { for(j=0;j<9;j++) { if(j==0) printf("| "); printf("%d ",arry[i][j]); if((j+1)%3==0) { printf("| "); } } printf("\n"); if((i+1)%3==0) { printf("|-----------------------|\n"); } } } int main() { void output(int arry[9][9]); srand(time(NULL)); int array[] = {1, 2, 3, 4, 5, 6, 7, 8, 9}; int length = sizeof(array) / sizeof(array[0]); shuffleArray(array, length); int board[9][9]={0},number=0; for(int row=0;row<9;row++) { int k=1; while(k<4) { int col=rand()%9; if(board[row][col]==0) { board[row][col]=array[number]; number++; k++; } } if((row+1)%3==0) { number=0; shuffleArray(array, length); } } output(board); }