#include <cstdio>
int a[105][105],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]);
}
void RF()
{
    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 afisare()
{
    int i, j;
    for(i=1;i<=n;++i)
    {
        for(j=1;j<=n;++j)
            printf("%d ", a[i][j]);
        printf("\n");
    }
}
void rezolva_problema()
{
    citire();
    RF();
    afisare();
}
int main()
{
    freopen("royfloyd.in", "r", stdin);
    freopen("royfloyd.out", "w", stdout);
    rezolva_problema();
    return 0;
}