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#include <fstream>
#include <vector>
#include <queue>
#define nmax 100004
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n, m, s, a, b, dist[nmax];
vector<int> G[nmax];
queue<int> q;
int main() {
f>>n>>m>>s;
for(int i=1;i<=m;i++) {
f>>a>>b;
G[a].push_back(b);
}
q.push(s);
while(!q.empty()) {
int node=q.front();
q.pop();
for(auto ne:G[node])
if(dist[ne]==0 && ne!=s) {
dist[ne]=dist[node]+1;
q.push(ne);
}
}
for(int i=1;i<=n;i++)
if(dist[i]==0 && i!=s)
g<<-1<<' ';
else
g<<dist[i]<<' ';
f.close();
g.close();
return 0;
}