#include <stdio.h>#include <string.h>int in[9]={1,2,3,4,5,6,7,8,9};int s[9];int re[3][3];int sum(int su[]){    int i,re=0;    for(i=0;su[i];i++)        re+=su[i];    return re;}int main(){    int i,j,k,count=0;    memset(s,0,sizeof(s));    int SUM = sum(in);    if(SUM/9 != (float)SUM/9.0)    {        printf("wrong\n");        return 0;    }    for(i=0;i<9;i++)        for(j=i+1;j<9;j++)            for(k=j+1;k<9;k++)            {                if(in[i]+in[j]+in[k] == (int)SUM/3)                {                    s[i]++;                    s[j]++;                    s[k]++;                    count++;                }            }    if(count!=8)    {        printf("wrong\n");        return 0;    }    int flag=0;    for(i=8;i>=0;i--)     {        if(s[i]==4)    re[1][1] = in[i];        if(s[i]==3 && flag==0) { re[0][0] = in[i]; flag++; }        else if(s[i]==3 && flag==1) { re[0][2] = in[i]; flag++; }        else if(s[i]==3 && flag==2) { re[2][0] = in[i]; flag++; }        else if(s[i]==3 && flag==3) { re[2][2] = in[i]; flag++; }    }    if(re[0][0]+re[1][1]+re[2][2]!=(int)SUM/3)    {        int tmp;        tmp = re[0][0];        re[0][0] = re[2][2];        re[2][2] = tmp;    }    re[0][1] = (int)SUM/3 - re[0][0] - re[0][2];    re[1][0] = (int)SUM/3 - re[0][0] - re[2][0];    re[1][2] = (int)SUM/3 - re[2][2] - re[0][2];    re[2][1] = (int)SUM/3 - re[2][2] - re[2][0];    for(i=0;i<3;i++)    {        for(j=0;j<3;j++)        {            printf("%d ",re[i][j]);        }        printf("\n");    }    return 0;}