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#include <fstream>
#include <vector>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int sol[100001], n;
vector <int> a[100002];
queue <int> q;
int m, x, y, s, i;
void bfs(int s)
{
int i, x;
for(i = 1; i <= n; i++)
sol[i] = -1;
q.push(s);
sol[s] = 0;
while(!q.empty())
{
x = q.front();
q.pop();
for(i = 0; i < a[x].size(); i++)
{
if(sol[a[x][i]] == -1)
{
sol[a[x][i]] = sol[x] + 1;
q.push(a[x][i]);
}
}
}
}
int main()
{
fin >> n >> m >> s;
for(i = 1; i <= m; i++)
{
fin >> x >> y;
a[x].push_back(y);
}
bfs(s);
for(i = 1; i <= n; i++)
fout << sol[i] << ' ';
return 0;
}