#include <stdio.h>
#include <stdlib.h>
#define nmax 105
#define inf 0x3f3f3f3f

int a[nmax][nmax],n;

void citire()
{
    scanf("%d",&n);
    int i,j;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        {
            scanf("%d",&a[i][j]);
            if(a[i][j]==0&&i!=j)
                a[i][j]=inf;
        }
}

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][j]>a[i][k]+a[k][j])
                    a[i][j]=a[i][k]+a[k][j];
}

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

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