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#include <iostream>
#include <vector>
#include <fstream>
#define nmax 100001
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n,m,start;
vector<int> la[nmax];
int dist[nmax];
void bfs(int start)
{
int c[nmax],p = 0,u = -1;
c[++u] = start;
dist[start] = 0;
while(p <= u)
{
int x = c[p];
for(auto i:la[x])
if(dist[i] == -1)
{
c[++u] = i;
dist[i] = dist[x] + 1;
}
p++;
}
}
int main()
{
int x, y, start;
f >> n >> m >> start;
for(int i = 1; i <= m; i++)
{
f >> x >> y;
la[x].push_back(y);
}
for(int i = 1; i <= n; i++)
dist[i] = -1;
bfs(start);
for(int i = 1; i <= n; i++)
g << dist[i] << ' ';
return 0;
}