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#include <bits/stdc++.h>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
const int NMAX = 100005;
vector <int> G[NMAX];
int n,m,s;
int d[NMAX];
bool viz[NMAX];
void BFS(int start){
for (int i=1;i<=n;i++)
d[i] = -1;
queue <int> q;
d[start]=0;
viz[start]=true;
q.push(start);
while (!q.empty()){
int nod = q.front();
q.pop();
for (auto vecin : G[nod]){
if (viz[vecin]==false){
viz[vecin]=true;
d[vecin]=d[nod]+1;
q.push(vecin);
}
}
}
}
int main(){
f>>n>>m>>s;
for (int i=1;i<=m;i++){
int nod1, nod2;
f>>nod1>>nod2;
G[nod1].push_back(nod2);
}
BFS(s);
for (int i=1;i<=n;i++)
g<<d[i]<<" ";
}