Minesweeper

#include <stdio.h>

int main() {
    int i,j,n,m,br=0;
    char a[100][100],b[100][100];
    scanf("%d%d",&n,&m);
    for(i=0; i<n; i++) {
        for(j=0; j<m; j++) {
            scanf("%c",&a[i][j]);
        }
    }
    for(i=0; i<n; i++) {
        for(j=0; j<m; j++) {
            if(a[i][j]=='1')
            {
                b[i][j] = '*';
            }

            else {
                if(i>0)  //ima sosed gore
                {
                    if(a[i-1][j]=='1')
                        br++;
                }
                if(i<n-1)  //ima sosed dolu
                {
                    if(a[i+1][j]=='1')
                        br++;
                }
                if(j>0)  //ima sosed levo
                {
                    if(a[i][j-1]=='1')
                        br++;
                }
                if(j<m-1)  //ima sosed desno
                {
                    if(a[i][j+1]=='1')
                        br++;
                }
                if(i>0&&j>0)  //ima sosed gore - levo
                {
                    if(a[i-1][j-1]=='1')
                        br++;
                }
                if(i>0 && j<m-1)  //ima sosed gore -desno
                {
                    if(a[i-1][j+1]=='1')
                        br++;
                }
                if(i<n-1 && j<m-1)  //ima sosed dolu - desno
                {
                    if(a[i+1][j+1]=='1')
                        br++;
                }
                if(i<n-1 && j<0)  //ima sosed dolu levo
                {
                    if(a[i+1][j-1]=='1')
                        br++;
                }
                b[i][j] = br+'0';
            }
            br=0;

        }
    }
    for(i=0;i<n;i++)
    {
        for(j=0;j<m;j++)
        {
            printf("%c ",b[i][j]);
        }
        printf("\n");
    }
}