#include <fstream>
#include <vector>
#include <bitset>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");

int N, A[102][102];

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])
                    if (A[i][j]==0 || A[i][k]+A[k][j]<A[i][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;
}