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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int N = 1e2;
const int INF = 1e9;
int n;
int d[N + 1][N + 1];
int main()
{
fin >> n;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
{
fin >> d[i][j];
if (d[i][j] == 0 && i != j)
d[i][j] = INF;
}
for (int k = 1; k <= n; k++)
{ //d_k[i][j] = distanta minima de la i la j daca putem folosi ca noduri intermediare nodurile din multimea 1...k
for (int i = 1; i <= n; i++)
{
for (int j = 1; j <= n; j++)
{
if (d[i][k] + d[k][j] < d[i][j])
d[i][j] = d[i][k] + d[k][j];
}
}
}
for (int i = 1; i <= n; i++)
{
for (int j = 1; j <= n; j++)
{
if (d[i][j] == INF)
d[i][j] = 0;
fout << d[i][j] << " ";
}
fout << '\n';
}
return 0;
}