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#include <fstream>
#include <algorithm>
#include <queue>
#include <iostream>
#include <list>
#define NMAX 100005
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, cost[NMAX], start;
list <int> vecini[NMAX];
queue <int> q;
void citire() {
int i, x, y;
fin >> n >> m >> start;
for (i = 1; i <= m; i++) {
fin >> x >> y;
vecini[x].push_back(y);
}
fin.close();
}
void bfs(int start) {
int p, y;
cost[start] = 0;
q.push(start);
while (!q.empty()) {
p = q.front();
q.pop();
// vizitam toti vecinii punctului scos din coada
while (not vecini[p].empty()) {
y = vecini[p].front();
vecini[p].pop_front();
if (cost[y] == -1) {
q.push(y); cost[y] = cost[p] + 1;
}
}
}
}
void setcost() {
for (int i = 1; i <= n; i++)
cost[i] = -1;
}
void afiscost() {
for (int i = 1; i <= n; i++)
fout << cost[i] << ' ';
fout.close();
}
int main() {
citire();
setcost();
bfs(start);
afiscost();
return 0;
}