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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int a[100][100], n;
void citire();
void royfloyd();
void afisare();
int main()
{
citire();
royfloyd();
afisare();
return 0;
}
void citire(){
fin >> n;
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
fin >> a[i][j];
}
void royfloyd(){
for(int k=0;k<n;k++)
for(int i=0;i<n;i++)
for(int j=0;j<n;j++)
if(a[i][k] && a[k][j] && i!=j && (a[i][j]>a[i][k]+a[k][j] || !a[i][j]))
a[i][j]=a[i][k]+a[k][j];
}
void afisare(){
for(int i=0;i<n;i++){
for(int j=0;j<n;j++)
fout << a[i][j] << " ";
fout << "\n";
}
}