#include<stdio.h>
#include<stdlib.h>
int n,a[105][105];
void citire()
{
     
    freopen( "royfloyd.in","r",stdin);
    freopen( "royfloyd.out","w",stdout);
    int i,j;
    scanf("%d",&n);
    for( i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            scanf( "%d",&a[i][j]);
}
void roy_floyd()
{ int i,j,k;
    for(k=1;k<=n;k++)
        for(  i=1;i<=n;i++)
            for( j=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 afis()
{
    for( int i=1;i<=n;i++)
            {
                for( int j=1;j<=n;j++)
                    printf("%d ", a[i][j]);
                printf(  "\n");
            }
}
 
int main()
{
    citire();
    roy_floyd();
    afis();
     
    return 0;
}