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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector <int> v[100010];
queue <int> q;
bool viz[100010];
int dist[100010];
int n,m,s;
void dfs(int start)
{
viz[start]=1;
dist[start]=0;
q.push(start);
int nod;
while(!q.empty())
{
nod=q.front();
q.pop();
for(auto it:v[nod])
{
if(!viz[it])
{
q.push(it);
viz[it]=1;
dist[it]=dist[nod]+1;
}
}
}
}
int main()
{
int st=-1;
f>>n>>m>>s;
for(int i=1;i<=m;i++)
{
int x,y;
f>>x;
f>>y;
if(x==y && x==s)
st=0;
else
v[x].push_back(y);
}
dfs(s);
for(int i=1;i<=n;i++)
if(i==s)
g<<st<<" ";
else
if(dist[i]==0) g<<-1<<" ";
else
g<<dist[i]<<" ";
return 0;
}