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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
const int Nmax=100000;
vector <int> G[Nmax+5];
queue <int>Q;
int N,M,S,D[Nmax+5],x,y;;
void solve()
{
f>>N>>M>>S;
for(int i=1;i<=M;i++)
{
f>>x>>y;
G[x].push_back(y);
}
D[S]=1;
Q.push(S);
while(!Q.empty())
{
int x=Q.front();Q.pop();
for(int i=0;i<(int)G[x].size();i++)
{
int vecin=G[x][i];
if(!(D[vecin]))
{
D[vecin]=D[x]+1;
Q.push(vecin);
}
}
}
for(int i=1;i<=N;i++)
{
g<<D[i]-1<<' ';
}
}
int main()
{
solve();
return 0;
}