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#include <fstream>
#include <vector>
#include <queue>
#define nmax 100010
using namespace std;
ifstream in("bfs.in");
ofstream out("bfs.out");
int start,m,n;
int cost[nmax]; vector <int> v[nmax];
queue <int> coada;
void bfs( int start)
{
int i,j;
for(i=1; i<=n; i++ )
cost[i]=-1;
coada.push(start);
cost[start]=0;
while( !coada.empty() ){
int L=coada.front();
coada.pop();
for( j=0; j<v[L].size(); j++)
if (cost[v[L][j]] == -1)
{
coada.push(v[L][j]);
cost[v[L][j]] = cost[L] + 1;
}
}
}
int main()
{
int i,j,x,y;
in>>n>>m>>start;
for( i=1; i<=m; i++)
{
in>>x>>y;
v[x].push_back(y);
}
bfs(start);
for( i=1; i<=n; i++)
out<<cost[i]<<' ';
out<<'\n';
return 0;
}