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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#define NMAX 100005
using namespace std;
ifstream fin ("bfs.in");
ofstream fout ("bfs.out");
int n, m, s, x, y, nivel[NMAX], viz[NMAX];
vector<int> ad[NMAX];
queue<int> q;
void bfs(int start_node)
{
for(int i=1; i<=n; i++)
nivel[i]=-1;
nivel[start_node]=0;
viz[start_node]=1;
q.push(start_node);
while(!q.empty())
{
int nod=q.front();
q.pop();
for(auto &vecin: ad[nod])
if(!viz[vecin])
{
viz[vecin]=1;
nivel[vecin]=nivel[nod]+1;
q.push(vecin);
}
}
}
int main()
{
fin>>n>>m>>s;
for(int i=1; i<=m; i++)
{
fin>>x>>y;
ad[x].push_back(y);
}
bfs(s);
for(int i=1; i<=n; i++)
fout<<nivel[i]<<" ";
return 0;
}