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#include <cstdio>
#include <vector>
#include <queue>
using namespace std;
int i, x, y, N, M, S;
vector<int> G[100001];
int Sel[100001], Niv[100001];
inline void bfs()
{
vector<int>::iterator it;
queue<int> Q;
int x;
Q.push(S);
Sel[S]=1;
while (!Q.empty())
{
x=Q.front();
for (it=G[x].begin(); it!=G[x].end(); it++)
if (!Sel[*it])
{
Sel[*it]=1;
Q.push(*it);
Niv[*it]=Niv[x]+1;
}
Q.pop();
}
}
int main()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
scanf("%d%d%d", &N, &M, &S);
for (i=1; i<=M; i++)
{
scanf("%d%d", &x, &y);
G[x].push_back(y);
}
for (i=1; i<=N; i++) Niv[i]=-1;
Niv[S]=0;
bfs();
for (i=1; i<=N; i++)
printf("%d ",Niv[i]);
return 0;
}