poj2579

#include<cstdio>
#include<cstring>
using namespace std;
int main(){
//freopen("1.txt","r",stdin);
char cmd[11];
int r,c;
while(scanf("%s",cmd)&&strcmp(cmd,"ENDOFINPUT")!=0){
scanf("%d %d",&r,&c);
char map[r][c];
for(int i=0;i<r;++i){
scanf("%s",map[i]);
}

for(int i=0;i<r-1;++i){
for(int j=0;j<c-1;++j){
printf("%c",char('0'+((map[i][j]-'0')+(map[i][j+1]-'0')+(map[i+1][j]-'0')+(map[i+1][j+1]-'0'))/4));
}
printf("\n");
}

scanf("%s",cmd);
}
return 0;
}