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#include <iostream>
#include <vector>
#include <fstream>
#include <queue>
std::ifstream fin("bfs.in");
std::ofstream fout("bfs.out");
int main() {
int vertex_count,edge_count,start_vertex;
fin >> vertex_count>>edge_count>>start_vertex;
start_vertex--;
std::vector<int> *graph;
graph=new std::vector<int>[edge_count];
for(int i=0; i<edge_count; i++) {
int a,b;
fin >> a>>b;
graph[a-1].push_back(b-1);
}
std::queue<int> queue;
queue.push(start_vertex);
bool *visited=new bool[vertex_count]();
int *distance=new int[vertex_count]();
visited[start_vertex]=true;
while (!queue.empty()) {
int current=queue.front();
queue.pop();
for(std::vector<int>::iterator it=graph[current].begin(); it!=graph[current].end(); it++) {
if(!visited[*it]||distance[current]+1<distance[*it]) {
queue.push(*it);
visited[*it]=true;
distance[*it]=distance[current]+1;
}
}
}
for(int i=0; i<vertex_count; i++) {
fout<<(visited[i]?distance[i]:-1)<<" ";
}
fout<<"\n";
}