# include <cstdio>

using namespace std;

int i,j,k,n,m;
int a[105][105];

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

    scanf("%d\n", &n);
    for(i=1; i<=n; ++i)
        for(j=1; j<=n; ++j)
            scanf("%d", &a[i][j]);

    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][k]+a[k][j]<a[i][j] || (i!=j && !a[i][j]) )) a[i][j]=a[i][k]+a[k][j];

    for(i=1; i<=n; ++i, printf("\n"))
        for(j=1; j<=n; ++j)
            printf("%d ", a[i][j]);


}