#include <fstream>
#include <algorithm>
using namespace std;

ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int N, a[105][105];

int main()
{
    f>>N;
    for (int i=1; i<=N; ++i)
        for (int j=1; j<=N; ++j)
                f>>a[i][j];

    for (int k=1; k<=N; ++k)
        for (int i=1; i<=N; ++i)
            for (int j=1; j<=N; ++j)
                if (i!=j && a[i][k]*a[k][j] && (a[i][j]==0 || a[i][j]>a[i][k]+a[k][j]))
                    a[i][j]=a[i][k]+a[k][j];

    for (int i=1; i<=N; ++i && g<<'\n')
        for (int j=1; j<=N; ++j)
            g<<a[i][j]<<' ';
    return 0;
}