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#include <bits/stdc++.h>
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
const short Nmax = 105;
int dist[Nmax][Nmax];
int main()
{
int n;
fin >> n;
for(int i = 1 ; i <= n ; i++)
for(int j = 1 ; j <= n ; j++)
fin >> dist[i][j];
for(int i = 1 ; i <= n ; i++)
for(int j = 1 ; j <= n ; j++)
for(int k = 1 ; k <= n ; k++)
if(j != k && dist[j][i] && dist[i][k] && (dist[j][k] > dist[j][i] + dist[i][k] || !dist[i][j]))
dist[j][k] = dist[j][i] + dist[i][k];
for(int i = 1 ; i <= n ; i++)
{
for(int j = 1 ; j <= n ; j++)
fout << dist[i][j] << " ";
fout << "\n";
}
fin.close();
fout.close();
return 0;
}