#include <iostream>
#include <fstream>

using namespace std;

fstream f,g;

int d[101][101],i,j,k,l,n;

int main()
{
    f.open("royfloyd.in",ios_base::in);
    g.open("royfloyd.out",ios_base::out);
    f>>n;
    for(i=1;i<=n;i++)for(j=1;j<=n;j++)f>>d[i][j];
    for(k=1;k<=n;k++)for(i=1;i<=n;i++)for(j=1;j<=n;j++)if(k!=i&&i!=j&&k!=j&&d[i][k]!=0&&d[k][j]!=0)
    {
        if(d[i][j]==0||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++)g<<d[i][j]<<' ';
        g<<'\n';
    }
}