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#include <iostream>
#include<fstream>
#include<vector>
#include<queue>
using namespace std;
int n,m,source;
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( int 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()
{
int x,y;
ifstream f("bfs.in");
ofstream g("bfs.out");
f>>n>>m>>source;
source--;
graph.resize(n);
visited.resize(n,-1);
for(int i=0; i<m; i++)
{
f>>x>>y;
x--;
y--;
graph[x].push_back(y);
}
BFS(source);
for(int j=0; j<n; j++)
{
g<<visited[j]<<" ";
}
return 0;
}