#include <iostream>
#include<fstream>
using namespace std;
int n,i,j,k,d[101][101];
int main()
{
    ifstream f("royfloyd.in");
    f>>n;for(i=0;i<n;++i)for(j=0;j<n;++j)f>>d[i+1][j+1];
    f.close();
    for(k=0;k<n;++k)
    {
        for(i=0;i<n;++i)
            for(j=0;j<n;++j)
        {
            if((d[i+1][j+1]>d[i+1][k+1]+d[k+1][j+1])&&d[i+1][k+1]&&d[k+1][j+1])
            {
                d[i+1][j+1]=d[i+1][k+1]+d[k+1][j+1];
            }
        }
    }
    ofstream g("royfloyd.out");
    for(i=0;i<n;++i)
    {
        for(j=0;j<n;++j)g<<d[i+1][j+1]<<" ";
        g<<'\n';
    }
    g.close();
    return 0;
}