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#include <bits/stdc++.h>
#define ll long long
#define NMAX 100005
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n, m, start;
vector<int> dist(NMAX);
vector<int> edge[NMAX];
queue<int> q;
void bfs() {
int nod;
while(!q.empty()) {
nod = q.front();
q.pop();
for(int i = 0; i < edge[nod].size(); i++) {
int vecin = edge[nod][i];
if(dist[vecin] == -1) {
dist[vecin] = dist[nod] + 1;
q.push(vecin);
}
}
}
}
int main() {
f >> n >> m >> start;
for(int i = 0; i <= n; i++)
dist[i] = -1;
for(int i = 1; i <= m; i++) {
int x, y;
f >> x >> y;
edge[x].push_back(y);
}
q.push(start);
dist[start] = 0;
bfs();
for(int i = 1; i <= n; i++)
g << dist[i] << ' ';
return 0;
}