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#include <iostream>
#include <vector>
#include <list>
#include <queue>
#include <fstream>
using namespace std;
int main(){
int vertices, edges, start;
int x, y;
ifstream f("bfs.in");
f >> vertices >> edges >> start;
vector<int> adList[vertices + 1];
for(int i = 0; i < edges; i++){
f >> x >> y;
adList[x].push_back(y);
}
f.close();
queue<int> q;
vector<int> visited(vertices + 1, 0);
vector<int> costs(vertices + 1, -1);
q.push(start);
visited[start] = 1;
costs[start] = 0;
while(!q.empty()){
int current = q.front();
q.pop();
int i, value;
for(i = 0; i < adList[current].size(); i++){
value = adList[current][i];
if(visited[value] == 0){
q.push(value);
costs[value] = costs[current] + 1;
visited[value] = 1;
}
}
}
ofstream g("bfs.out");
for(int i = 1; i < vertices + 1; i++)
g << costs[i] << " ";
return 0;
}