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61 lines
1.3 KiB
61 lines
1.3 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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void create(int board[9][9]);
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void output(int board[9][9]);
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int main(){
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int board[9][9] = {0};
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create(board);
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output(board);
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return 0;
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}
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void shuffleArray(int array[], int size) {
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for (int i = size - 1; i > 0; i--) {
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int j = rand() % (i + 1);
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int temp = array[i];
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array[i] = array[j];
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array[j] = temp;
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}
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}
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void create(int board[9][9]){
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srand(time(NULL));
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int index = 0;
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for (int r = 0; r < 9; r+=3){
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int nums[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
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shuffleArray(nums, 9);
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for (int i = r; i < r+3; i++) {
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for (int j = 0; j < 9; j += 3) {
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board[i][j] = nums[index++];
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if (index >= 9) {
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index = 0;
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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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shuffleArray(board[j], 9);
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}
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}
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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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