#include <stdio.h>
#define inf 0x3f3f3f
#define size 105

using namespace std;

int a[size][size];
int rez[size][size];
int n;

void citire()
{
    scanf ("%d",&n);
    for (int i=0;i<n;i++)
        for (int j=0;j<n;j++)
        {
            scanf ("%d",&a[i][j]);
            if(a[i][j]==0 && i!=j)
                a[i][j]=inf;
        }
}

int min(int a,int b)
{
    return a<b?a:b;
}

void roy()
{
    for (int i=0;i<n;i++)
        for (int j=0;j<n;j++)
            for (int k=0;k<n;k++)
                a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
}

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

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