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#include <fstream>
#include <vector>
#include <bitset>
#include <queue>
using namespace std;
int n,m,s;
const int NMAX = 100010;
vector<int> muchii[NMAX];
vector<int>::iterator it;
queue<int> coada;
int *mark;
bitset<NMAX> viz;
void citire()
{
scanf("%d",&n);
scanf("%d",&m);
scanf("%d",&s);
int x,y;
for(int i=1;i<=m;i++)
{
scanf("%d",&x);
scanf("%d",&y);
muchii[x].push_back(y);
}
fclose(stdin);
}
void parcurgere()
{
coada.push(s);
viz.set(s);
while(!coada.empty())
{
int x = coada.front();
for(it = muchii[x].begin();it<muchii[x].end();it++)
if(!viz.test(*it))
{
coada.push(*it);
mark[*it] = mark[x] + 1;
viz.set(*it);
}
coada.pop();
}
}
int main()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
citire();
mark = new int[n+1];
for(int i=1;i<=n;i++)
mark[i] = (i==s) ? 0: -1;
parcurgere();
for(int i=1;i<=n;i++)
printf("%d ",mark[i]);
fclose(stdout);
delete[] mark;
return 0;
}