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#include<bits/stdc++.h>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
vector<int> G[100005];
int n, m, s, dmin[100005];
queue<int> q;
void elem()
{
int nod=q.front();
q.pop();
for(auto &nod1:G[nod])
if(!dmin[nod1])
{
dmin[nod1]=dmin[nod]+1;
q.push(nod1);
}
}
void cautare_min()
{
q.push(s);
dmin[s]=1;
while (!q.empty())
elem();
}
int main()
{
fin>>n>>m>>s;
int x, y;
for(int i=0; i<m; i++)
{
fin>>x>>y;
G[x].push_back(y);
}
cautare_min();
for(int i=1; i<=n; i++)
fout<<dmin[i]-1<<' ';
return 0;
}