#include <cstdio>

using namespace std;

long n,i,j,a[101][101],k;

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

    scanf("%ld",&n);

    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++){
            scanf("%ld",&a[i][j]);
        }

    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
            for(k=1;k<=n;k++)
                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];
    for(i=1;i<=n;i++){
        for(j=1;j<=n;j++)
            printf("%ld ",a[i][j]);
        printf("\n");
    }
    return 0;
}