#include <bits/stdc++.h>

using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int NMAX = 100;
const int INF = INT_MAX;
int dist[NMAX+5][NMAX+5];
void roy_floyd(int n){
    int i, j, k;
    for(i=1;i<=n;i++)
    {
       for(j =1;j<=n;j++)
       {
         for(k=1;k<=n;k++)
            dist[i][j] = min(1ll * dist[i][j], 1ll * dist[i][k] + dist[k][j]);
       }
    }
}
int main()
{
    int n, i, j;
    fin>>n;
    for(i=1;i<=n;i++)
    {
       for(j=1;j<=n;j++)
       {
           fin>>dist[i][j];
           if(dist[i][j] == 0)
              dist[i][j] = INF;
           if(i== j)
              dist[i][j] = 0;
       }
    }
    roy_floyd(n);
    for(i=1;i<=n;i++)
    {
       for(j=1;j<=n;j++)
       {
           if(dist[i][j] == INF)
              dist[i][j] = 0;
           fout<<dist[i][j]<<" ";
       }
       fout<<"\n";
    }
    return 0;
}