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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
int m, n, s;
int i, j;
vector< vector<int> > graph;
vector<int> visited;
void bfs(int vertex){
if (vertex<0 || vertex>n - 1){
return;
}
queue<int> q;
int element;
q.push(vertex);
visited[vertex] = 0;
while (!q.empty()){
element = q.front();
for (i = 0; i < graph[element].size(); i++)
{
if (visited[graph[element][i]]==-1)
{
q.push(graph[element][i]);
visited[graph[element][i]] = visited[element]+1;
}
}
q.pop();
}
}
int main()
{
ifstream fin("bfs.in");
ofstream fout("bfs.out");
fin >> n >> m >> s;
graph.resize(n);
visited.resize(n, -1);
int x, y;
for (i = 0; i < m; i++)
{
fin >> x >> y;
x--;
y--;
graph[x].push_back(y);
}
bfs(s-1);
for (i = 0; i < n; i++)
{
fout << visited[i]<<" ";
}
fin.close();
fout.close();
return 0;
}