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