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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int N, Map[105][105], Drum[105][105];
void citire()
{
fin>>N;
for(int i=1;i<=N;i++)
for(int j=1;j<=N;j++)
{
fin>>Map[i][j];
Drum[i][j]=Map[i][j];
}
}
bool existaDrum(int a, int b, int c)
{
return Map[a][b] && Map[b][c];
}
void royFloyd()
{
for(int k = 1; k <= N; k++)
for(int i = 1; i <= N; i++)
for(int j = 1; j <= N; j++)
if (existaDrum(i,k,j) && (Drum[i][j] > Map[i][k] + Map[k][j] || !Map[i][j]) && i!=j) ///i!=j -> nodurile sunt diferite, Map[i][k]-Map[k][j] -> pot ajunge din nodul i in nodul j, Verific daca nu exista deja drum sau daca acesta e mai mare decat cel curent;
Drum[i][j] = Map[i][k] + Map[k][j];
}
void afisare()
{
for(int i=1;i<=N;i++)
{
for(int j=1;j<=N;j++)
fout<<Drum[i][j]<<" ";
fout<<'\n';
}
}
int main()
{
citire();
royFloyd();
afisare();
return 0;
}