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#include <cstdio>
#include <queue>
#include <vector>
using namespace std;
const int MAX_N = 100000;
const int INF = 1e9; // 1 * 10^9 = 1.000.000.000
int n, m, start;
vector<int> dist;
vector<int> G[MAX_N + 1];
void BFS(int node) {
queue<int> q;
q.push(node);
dist[node] = 0;
while (!q.empty()) {
node = q.front();
q.pop();
for (auto son : G[node]) {
if (dist[son] == INF) {
dist[son] = 1 + dist[node];
q.push(son);
}
}
}
}
int main() {
freopen("bfs.in", "r", stdin);
freopen("bfs.out", "w", stdout);
scanf("%d%d%d", &n, &m, &start);
dist.resize(n + 1, INF);
for (int i = 1; i <= m; i++) {
int x, y;
scanf("%d%d", &x, &y);
G[x].push_back(y);
}
BFS(start);
for (int i = 1; i <= n; i++) {
if (dist[i] == INF) {
printf("-1 ");
} else {
printf("%d ", dist[i]);
}
}
return 0;
}