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

ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");

const int INF = 1<<30;

int n, a[105][105];

long long d[105][105];

void Do()
{
    int i,j,k;
    fin>>n;
    for(i=1; i<=n; ++i)
        for(j=1; j<=n; ++j)
        {
            fin>>d[i][j];
            if(d[i][j] == 0 && i!=j)
                d[i][j] = INF;
        }
    for(k = 1; k<=n; ++k)
        for(i = 1; i<=n; ++i)
            for(j = 1; j<=n; ++j)
                if( d[i][j] > d[i][k] + d[k][j])
                    d[i][j] = d[i][k] + d[k][j];
    for(i=1; i<=n; ++i)
    {
        for(j=1; j<=n; ++j)
            fout<<d[i][j]<<" ";
        fout<<"\n";
    }
}

int main()
{
    Do();
    cout<<INF;
    return 0;
}