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67 lines
1.3 KiB
67 lines
1.3 KiB
#include <stdio.h>
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#include <time.h>
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#include <stdlib.h>
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void swap(int *a,int *b){//交换函数
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int temp;
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temp=*a;
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*a=*b;
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*b=temp;
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}
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void shuffle(int *array,int size){ //随机交换
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int i;
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int j;
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srand(time(NULL));
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for(i=size-1;i>0;i--){
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j=rand()%(i+1);
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swap(&array[i],&array[j]);
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}
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}
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void fillBoard(int board[9][9])
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{
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int arr[9] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
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int positions[9];//位置 从0到8
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int i,j;
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for (i=0;i<9;i++)
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{
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positions[i]=i;
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}
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//每三行
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for (i=0;i<9;i+= 3)
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{
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shuffle(arr,9);//随机0-9 随机位置
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shuffle(positions,9);
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for (j = 0; j < 3; j++)
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{//每三行填充
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board[i][positions[j]] = arr[j];
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board[i+1][positions[j+3]] = arr[j+3];
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board[i+2][positions[j+6]] = arr[j+6];
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}
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}
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}
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void print(int board[9][9]){//格式化输出函数
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printf("|-----------------------|\n");
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int i=0,j=0,s=0,k=0;
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for(i=0;i<9;++i){
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for(j=0;j<9;j++){
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while(j%3==0){
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printf("| ");
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break;
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}
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printf("%d ",board[i][j]);
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}
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printf("|\n");
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while((i+1)%3==0){
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printf("|-----------------------|\n");
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break;
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}
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}
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}
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int main(){
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int board[9][9]={0};//初始化
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fillBoard(board);
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print(board);
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return 0;
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}
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