#include <iostream>
#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int n,a[105][105];
int main()
{
    f>>n;
    for(int i=0;i<n;++i)for(int j=0;j<n;++j){f>>a[i][j];if(i!=j&&a[i][j]==0)a[i][j]=9999999;}
    for(int k=0;k<n;++k)for(int i=0;i<n;++i)for(int j=0;j<n;++j)a[i][j]=min(a[i][j],a[i][k]+a[k][j]);
    for(int i=0;i<n;++i){for(int j=0;j<n;++j)if(a[i][j]!=9999999)g<<a[i][j]<<' ';else g<<"0 ";g<<'\n';}
}