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#include <iostream>
#include <fstream>
#define Pinf 10000
using namespace std;
int a[100][100],n;
ifstream f("royfloyd.in");
ofstream g("royfloyd.out");
void citire ()
{
int i,j;
f>>n;
for (i=1; i<=n; i++)
for (j=1; j<=n; j++)
f>>a[i][j];
}
void Lungime_drumuri ()
{
int i,j,k;
for (k=1; k<=n; k++)
for (i=1; i<=n; i++)
for (j=1; j<=n; j++)
if (a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
}
int main()
{
int i,j;
citire ();
Lungime_drumuri ();
for (i=1; i<=n; i++)
{
for (j=1; j<=n; j++)
g<<a[i][j]<<' ';
g<<endl;
}
f.close ();
g.close ();
return 0;
}