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#include <iostream>
#include <fstream>
#include <queue>
#define NMAX 100000
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n, m, s, viz[NMAX+10], dist[NMAX+10];
vector <int> nod[NMAX+10];
queue <int> Q;
void bfs(int x)
{ viz[x] = 1;
Q.push(x);
while(!Q.empty())
{ int a = Q.front();
Q.pop();
for(int i=0; i<nod[a].size(); i++)
if(!viz[nod[a][i]])
{ viz[nod[a][i]] = 1;
dist[nod[a][i]] = dist[a] + 1;
Q.push(nod[a][i]);
}
}
}
int main()
{
f >> n >> m >> s;
for(int i=1; i<=m; i++)
{ int nod1, nod2;
f >> nod1 >> nod2;
nod[nod1].push_back(nod2);
}
for(int i=1; i<=n; i++) dist[i] = -1;
dist[s] = 0;
bfs(s);
for(int i=1; i<=n; i++) g << dist[i] << ' ';
g << '\n';
return 0;
}