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#include <iostream>
#include <vector>
#include <queue>
#include <fstream>
std::fstream fin("bfs.in", std::ios::in);
std::fstream fout("bfs.out", std::ios::out);
const int mxn = 1000005;
int n, m, start;
std::vector<int> muchii[mxn];
std::queue<int> cords;
int dist[mxn];
void bfs() {
int nod;
while (!cords.empty()) {
nod = cords.front();
cords.pop();
for (auto vec : muchii[nod]) {
if (dist[vec] == -1) {
cords.push(vec);
dist[vec] = dist[nod] + 1;
}
}
}
}
int main(){
fin >> n >> m >> start;
for (int i = 0; i < m; ++i) {
int x, y;
fin >> x >> y;
muchii[x].push_back(y);
}
for (int i = 1; i <= n; ++i) {
dist[i] = -1;
}
dist[start] = 0;
cords.push(start);
bfs();
for (int i = 1; i <= n; ++i) {
fout << dist[i] << ' ';
}
fout << '\n';
return 0;
}