#include <stdio.h>
#include <stdlib.h>
#define N 8
#define M 10
int main(int argc, char *argv[])
{
    FILE *fp;
    int m[N][M],i=0,j,max=0,found=0,cont=0,k=0,x,y,a,b,c;
    if(argc!=4)
    {
        printf("errore linea di comando\n");
        return -1;
    }
    fp=fopen(argv[1],"r");
    if(fp==NULL)
    {
        printf("errore in lettura file\n");
        return -2;
    }

    for(i=0;i<N;i++)
    {
        for(j=0;j<M;j++)
        {
            fscanf(fp,"%d",&m[i][j]);
        }
    }
    for(i=0;i<N;i++)
    {
        for(j=0;j<M;j++)
        {
            printf("%d\t",m[i][j]);
        }
        printf("\n\n\n");
    }

    for(i=0;i<N;i++)
    {
        k=i;
        cont=0;
        for(j=0;j<(N-i);j++)
        {
            if(m[k][j]==0)
            {
                found=0;
                cont=0;
            }
            else if(m[k][j]==1)
            {
                found=1;
            }
            if(found==1)
            {
                cont++;
                if(max<cont)
                {
                    max=cont;
                    c=1;
                }
            }
            k++;
        }
    }

        for(j=(M-N);j<M;j++)
        {
            k=j;
            cont=0;
            for(i=0;i<(M-j);i++)
            {
            if(m[i][k]==0)
            {
                found=0;
                cont=0;
            }
            else if(m[i][k]==1)
            {
                found=1;
            }
            if(found==1)
            {
                cont++;
                if(max<cont)
                {
                    max=cont;
                    c=2;
                }
            }
            k++;
            }

        }
    x=0;
    j=0;

    while(y!=M)
    {
        y=j;
        while(x!=N)
        {
            if(m[x][y]==0)
            {
                found=0;
                cont=0;
            }
            else if(m[x][y]==1)
            {
                found=1;
            }
            if(found==1)
            {
                cont++;
                if(max<cont)
                {
                    max=cont;
                    c=3;
                }
            }
            x++;
            y++;
        }
        cont=0;
        x=0;
        j++;
    }

    fclose(fp);

    printf("la piu lunga e' %d zona=%d %d %d",max,c,a,b);


    return 0;
}