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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int n,m[100][100];
void citire_mat()
{
int i,j;
in>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
in>>m[i][j];
}
void afisare_mat()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
out<<m[i][j]<<" ";
out<<"\n";
}
out<<"\n";
}
void royfloyd()
{
int i,k,j;
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(m[i][j]>m[k][j]+m[i][k])
m[i][j]=m[i][k]+m[k][j];
}
int main()
{
citire_mat();
royfloyd();
afisare_mat();
return 0;
}