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#include <iostream>
#include <cstdio>
#include <queue>
#include <vector>
using namespace std;
vector<int> g[100005];
queue<int> q;
int v[100005];
void read(int &n,int &m,int &x)
{
int a,b;
scanf("%d%d%d",&n,&m,&x);
for(int i=1;i<=m;++i)
{
scanf("%d%d",&a,&b);
g[a].push_back(b);
}
}
void bfs()
{
int n;
while(!q.empty())
{
n=q.front();
q.pop();
for(vector<int>::iterator it=g[n].begin();it!=g[n].end();++it)
if(!v[*it])
{
q.push(*it);
v[*it]=v[n]+1;
}
}
}
int main()
{
freopen("bfs.in","r",stdin);
freopen("bfs.out","w",stdout);
int n,m,x;
read(n,m,x);
q.push(x);
v[x]=1;
bfs();
for(int i=1;i<=n;++i)
printf("%d ",v[i]-1);
printf("\n");
return 0;
}