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#include <bits/stdc++.h>
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
vector<int> graf[100005];
int n,m,x,sol[100005];
queue<int> q;
int main()
{
in>>n>>m>>x;
for(int i=0;i<m;i++)
{
int a,b;
in>>a>>b;
graf[a].emplace_back(b);
}
memset(sol,-1,100005);
q.push(x);
sol[x] = 0;
while(!q.empty())
{
x = q.front();
q.pop();
for(auto it:graf[x])
if(sol[it] == -1)
{
sol[it] = sol[x] + 1;
q.push(it);
}
}
for(int i=1; i<=n; i++) {
out<<sol[i]<<' ';
}
return 0;
}