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#include <iostream>
#include <fstream>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, start;
queue <int> Q;
vector <int> G[100005];
int c[100005], viz[100005];
void citire()
{
fin >> n >> m >> start;
for(int i = 1; i <= m; i++)
{
int x, y;
fin >> x >> y;
if(x != y)
G[x].push_back(y);
}
}
void bfs(int start)
{
for(int i = 1; i <= n; i++)
c[i] = -1;
c[start] = 0;
Q.push(start);
viz[start] = 1;
while(!Q.empty())
{
int x = Q.front();
int l = G[x].size();
for(int i = 0; i < l; i++)
{
if(!viz[G[x][i]])
{
Q.push(G[x][i]);
c[G[x][i]] = c[x] + 1;
viz[G[x][i]] = 1;
}
}
Q.pop();
}
}
void afisare()
{
for(int i = 1; i <= n; i++)
fout << c[i] << ' ';
}
int main()
{
citire();
bfs(start);
afisare();
return 0;
}