#include <stdio.h>

int n, a[105][105];

void read_file()
{
     freopen("royfloyd.in", "r", stdin);
     freopen("royfloyd.out", "w", stdout);
     
     int i, j;
     
     scanf("&d", &n);
     for(i = 0; i < n; ++i)
           for(j = 0; j < n; ++j)
                 scanf("%d", &a[i][j]);
}

void floyd()
{
     int i, j, k;
     for(k = 1; k <= n; ++k)
           for(i = 1; i <= n; ++i)
                 for(i = 1; j <= n; ++j)
                       if(a[i][k] && a[k][j] && (a[i][j] > a[i][k]+a[k][j] || !a[i][j]) && i!=j)
                                  a[i][j] = a[i][k] + a[k][j];
}

void write_file()
{
     int i,j;
     for(i = 0; i < n; ++i)
     {
           for(j = 0; j < n; ++j)
                 printf("%d", a[i][j]);
           printf("\n");
     }
}

int main(void)
{
    read_file();
    floyd();
    write_file();
    
    return 0;
}