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#include <fstream>
using namespace std;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
int main()
{
int n;
int distante[101][101];
f >> n;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
f >> distante[i][j];
}
}
for (int k = 0; k < n; k++)
{
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
if (i!=j && distante[i][k] && distante[k][j] &&
(distante[i][j] > distante[i][k] + distante[k][j] || distante[i][j]))
{
distante[i][j] = distante[i][k] + distante[k][j];
}
}
}
}
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n; j++)
{
g << distante[i][j] << ' ';
}
g << '\n';
}
}