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#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int d[105][105], n;
void roy_floyd()
{
for(int k = 1; k <= n; 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];
}
int main()
{
in >> n;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= n; j++)
in >> d[i][j];
roy_floyd();
for(int i = 1; i <= n; i++)
{
for(int j = 1; j <= n; j++)
out << d[i][j] << " ";
out << '\n';
}
return 0;
}