#include <iostream>
#include <cstdio>
using namespace std;

#define NMAX 105
#define INFINITY 99999

int n;
int a[NMAX][NMAX];

void read()
{
    scanf("%d ",&n);
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
        {
            scanf("%d ",&a[i][j]);
            if(!a[i][j])
                a[i][j]=INFINITY;
        }
}
void royfloyd()
{
    for(int i=1; i<=n; i++)
        for(int j=1; j<=n; j++)
            for(int k=1; k<=n; k++)
            {
                if(a[i][k] && a[k][j] && (a[i][j]>a[i][k]+a[k][j]))
                    a[i][j]=a[i][k]+a[k][j];
            }
}

void print()
{
    for(int i=1; i<=n; i++)
    {
        for(int j=1; j<=n; j++)
        {
            if(i==j || a[i][j]==INFINITY)
                printf("%d ",0);
            else printf("%d ",a[i][j]);
        }
        printf("\n");
    }
}

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);
    read();
    royfloyd();
    print();
    return 0;
}