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#include <iostream>
#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int a[101][101],n;
void citire()
{
in>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
in>>a[i][j];
}
void RoyFloyd()
{
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(a[i][j] > a[i][k] + a[k][j])
a[i][j] = a[i][k] + a[k][j];
}
void afisare()
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
out<<a[i][j]<<" ";
out<<'\n';
}
}
int main()
{
citire();
RoyFloyd();
afisare();
}