#include <cstdio>

using namespace std;

int n,a[105][105];

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

int main()
{
    freopen("royfloyd.in","r",stdin);
    freopen("royfloyd.out","w",stdout);

    citire();
    floyd();
    afisare();

    return 0;
}