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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
int N, M, S;
void show(vector<int> DMIN)
{
for(vector<int>::iterator it=DMIN.begin()+1;it!=DMIN.end();++it)
cout<<(*it == 99999 ? -1 : *it)<<" ";
cout<<"\n";
}
void solve(vector<vector<pair<int, int> > > &V, vector<int> &DMIN)
{
queue<int> Q;
Q.push(S);
DMIN[S] = 0;
while(!Q.empty())
{
int now = Q.front();
for(vector<pair<int, int> >::iterator it=V[now].begin();it!=V[now].end();++it)
if(DMIN[now] + it->second < DMIN[it->first])
{
DMIN[it->first] = DMIN[now] + it->second;
Q.push(it->first);
}
Q.pop();
}
}
int main()
{
freopen("bfs.in", "r", stdin);
freopen("bfs.out", "w", stdout);
scanf("%d %d %d", &N, &M, &S);
vector<vector<pair<int, int> > > V(N+1, vector<pair<int, int> >());
vector<int> DMIN(N+1, 99999);
for(int i=1;i<=M;++i)
{
int X, Y;
scanf("%d %d", &X, &Y);
V[X].push_back(make_pair(Y, 1));
}
/*
for(vector<vector<pair<int, int> > >::iterator it=V.begin();it!=V.end();++it)
{
for(vector<pair<int, int> >::iterator it2=(*it).begin();it2!=(*it).end();++it2)
cout<<it2->first<<","<<it2->second<<" ";
cout<<"\n";
}*/
solve(V, DMIN);
show(DMIN);
return 0;
}