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#include<iostream>
#include<fstream>
#include<vector>
#include<queue>
#define nmax 100001
using namespace std;
vector<int> L[nmax];
int D[nmax];
queue<int> Q;
int main(){
ifstream f("bfs.in", ios::in);
ofstream g("bfs.out", ios::out);
int N, M, S;
f >> N >> M >> S;
for (int i = 1; i <= N; ++i){
D[i] = -1;
}
D[S] = 0;
int x, y;
for (int i = 0; i < M; i++){
f >> x >> y;
L[x].push_back(y);
}
//BFS
Q.push(S);
while (!Q.empty()){
x = Q.front();
Q.pop();
for (int i = 0; i < L[x].size(); i++){
if (D[L[x][i]] == -1){
Q.push(L[x][i]);
D[L[x][i]] = D[x]+1;
}
}
}
for (int i = 1; i <= N; i++)
g << D[i] << " ";
g << endl;
f.close();
g.close();
return 0;
}