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#include <fstream>
#include <vector>
#include <climits>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
#define nmax 100003
int n,m,x,y,start;
int viz[nmax];
vector < int > v[nmax];
vector < int > solutie;
void DFS(int nod)
{
for(vector < int >::iterator it=v[nod].begin(); it!=v[nod].end(); it++)
if(viz[*it]>viz[nod]+1)
{
viz[*it]=viz[nod]+1;
DFS(*it);
}
}
int main()
{
f>>n>>m>>start;
for(int i=1; i<=m; i++)
{
f>>x>>y;
v[x].push_back(y);
}
for(int i=1; i<=n; i++)
viz[i]=INT_MAX;
viz[start]=0;
DFS(start);
for(int i=1; i<=n; i++)
if(viz[i]==INT_MAX) g<<"-1"<<" ";
else g<<viz[i]<<" ";
return 0;
}