103 lines
2.1 KiB
C++
103 lines
2.1 KiB
C++
#include <iostream>
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#include <cstdio>
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#include <cstring>
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using namespace std;
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char mmp[20];
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int mp[10][10];
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int vis1[10][10],vis2[10][10],vis3[4][4][10];
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int OK=0;
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void dfs(int x,int y)
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{
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if(OK) return;
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if(x>9&&!OK)
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{
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for(int i=1;i<=9;i++)
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{
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for(int j=1;j<=9;j++)
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{
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if(j!=1) printf(" ");
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printf("%d",mp[i][j]);
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}
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putchar(10);
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}
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OK=1;
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return ;
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}
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int tx,ty;
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if(mp[x][y]!=0)
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{
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tx=x; ty=y+1;
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if(ty==10)
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{
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ty=1;
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tx++;
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}
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dfs(tx,ty);
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}
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else if(mp[x][y]==0)
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{
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for(int i=1;i<=9;i++)
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{
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if(vis1[x][i]==0&&vis2[y][i]==0&&vis3[(x-1)/3+1][(y-1)/3+1][i]==0)
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{
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vis1[x][i]=1;
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vis2[y][i]=1;
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vis3[(x-1)/3+1][(y-1)/3+1][i]=1;
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mp[x][y]=i;
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tx=x; ty=y+1;
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if(ty==10)
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{
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ty=1;
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tx++;
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}
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dfs(tx,ty);
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mp[x][y]=0;
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vis1[x][i]=0;
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vis2[y][i]=0;
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vis3[(x-1)/3+1][(y-1)/3+1][i]=0;
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}
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}
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}
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}
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int main()
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{
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int cnt=1;int first=1;
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while(gets(mmp))
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{
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for(int i=0;i<=16;i+=2)
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{
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if(mmp[i]!='?')
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{
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mp[cnt][(i+2)/2]=mmp[i]-'0';
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vis1[cnt][mp[cnt][(i+2)/2]]=1;
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vis2[(i+2)/2][mp[cnt][(i+2)/2]]=1;
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vis3[(cnt-1)/3+1][((i+2)/2-1)/3+1][mp[cnt][(i+2)/2]]=1;
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}
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else
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mp[cnt][(i+2)/2]=0;
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}
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cnt++;
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if(cnt==10)
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{
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cnt=1;
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OK=0;
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if(first)
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{
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first=0;
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}
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else
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{
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putchar(10);
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}
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dfs(1,1);
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cnt=1;
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memset(vis1,0,sizeof(vis1));
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memset(vis2,0,sizeof(vis2));
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memset(vis3,0,sizeof(vis3));
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}
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if(cnt==1)
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getchar();
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}
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return 0;
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}
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