#include <iostream>
#include <fstream>

using namespace std;

int N, i, j, k, MAT[105][105];

int main()
{

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

    cin>>N;

    for(i=1;i<=N;++i)
        for(j=1;j<=N;++j)
            cin>>MAT[i][j];

    for(k=1;k<=N;++k)
        for(i=1;i<=N;++i)
            for(j=1;j<=N;++j)
                if(MAT[i][k] && MAT[k][j] && (MAT[i][j] > MAT[i][k] + MAT[k][j] || !MAT[i][j]) && i != j)
                    MAT[i][j] = MAT[i][k] + MAT[k][j];

    for(i=1;i<=N;++i)
    {
        for(j=1;j<=N;++j)
            cout<<MAT[i][j]<<" ";
        cout<<"\n";
    }

    return 0;
}