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#include <fstream>
#include <vector>
#include <queue>
#include <cstring>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
queue<int> q;
vector<int> graph[100005];
int dst[100005];
int n,m,s,x,y;
void BFS(int source) {
int node;
q.push(source);
dst[source]=0;
while(!q.empty()) {
node=q.front();
for (unsigned int i=0;i<graph[node].size();i++) {
if (dst[graph[node][i]]==-1) {
dst[graph[node][i]]=dst[node]+1;
q.push(graph[node][i]);
}
}
q.pop();
}
}
int main() {
in>>n>>m>>s;
memset(dst,-1,sizeof(dst));
for (unsigned int i=0;i<m;i++) {
in>>x>>y;
graph[x].push_back(y);
}
BFS(s);
for (unsigned int i=0;i<n;i++)
out<<dst[i]<<" ";
return 0;
}