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#include <iostream>
#include <vector>
#include <queue>
#include <fstream>
std::vector<std::vector<int> >la;
std::vector<int> distanta;
int N, M, start;
void citire() {
std::ifstream f("bfs.in");
f >> N >> M >> start;
la.resize(N + 1);
distanta.resize(N + 1);
for (int i = 0; i <= M; ++i) {
int x, y;
f >> x >> y;
la[x].push_back(y);
}
}
void bfs() {
std::queue<int> coada;
coada.push(start);
std::fill(distanta.begin(), distanta.end(), -1); // daca distanta[i] == -1 atunci e nevizitat
distanta[start] = 0;
while (!coada.empty()){
int nod = coada.front();
coada.pop();
for(int vecin : la[nod])
if (distanta[vecin] == -1) {
distanta[vecin] = 1 + distanta[nod];
coada.push(vecin);
}
}
}
void afis() {
std::ofstream g("bfs.out");
for (int i = 1; i <= N; ++i)
g << distanta[i] << ' ';
}
int main()
{
citire();
bfs();
afis();
}