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#include <cstdio>
#include <cstring>
#include <algorithm>
#include <vector>
#include <string>
#include <iostream>
#include <list>
#include <queue>
#include <set>
#include <unordered_map>
#include <functional>
//#include <conio.h>
#define pb push_back
#define mp make_pair
#define MOD 9901
#define newl printf("\n")
#define NMAX 100005
#define nst (nod<<1)
#define ndr (nst+1)
#define vi vector<int>
#define pii pair<int,int>
#define fi first
#define se second
using namespace std;
int n,m,S,D[NMAX];
vi G[NMAX];
queue <int> Q;
bool used[NMAX];
const int INF = (1<<30);
void BFS(int start)
{
for (int i=1;i<=n;i++)
D[i]=INF;
D[start]=0;
Q.push(start);
while (!Q.empty())
{
int nod=Q.front();
Q.pop();
for (vi::iterator it=G[nod].begin();it!=G[nod].end();it++)
{
if (!used[*it] && D[nod]+1<D[*it])
{
D[*it]=D[nod]+1;
used[*it]=true;
Q.push(*it);
}
}
}
for (int i=1;i<=n;i++)
printf("%d ",(D[i]==INF)?(-1):D[i]);
}
int main()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
scanf("%d %d %d",&n,&m,&S);
int a,b;
while (m--)
{
scanf("%d %d",&a,&b);
G[a].pb(b);
}
BFS(S);
return 0;
}