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#include <fstream>
#include <queue>
#include <vector>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, start, k;
int f[100005];
queue <int> coada;
vector <int> a[100005];
void read();
void BFS();
void write();
int main()
{
read();
BFS();
write();
return 0;
}
void read()
{
int i, x, y;
fin >> n >> m >> start;
for (i = 1; i <= m; i++)
{
fin >> x >> y;
if(x != y)
a[x].push_back(y);
}
}
void BFS()
{
int i, x, lg = 0;
coada.push(start);
while (!coada.empty())
{
x = coada.front(); coada.pop();
for (i = 0; i < a[x].size(); i++)
if (!f[a[x][i]])
{
coada.push(a[x][i]); f[a[x][i]] = f[x] + 1;
}
}
}
void write()
{
int i;
f[start] = -13;
for (i = 1; i <= n; i++)
if (f[i] > 0)
fout << f[i] << ' ';
else
if (f[i] == 0)
fout << -1 << ' ';
else
fout << 0 << ' ';
}