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#include <iostream>
#include <fstream>
#include <queue>
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
long long n, m, s, a[10002][10002], viz[10002];
void citire()
{
fin>>n>>m>>s;
for(int i=1; i<=m; i++){
int x, y;
fin>>x>>y;
a[x][y]=1;
}
for(int i=1; i<=n; i++)
viz[i] = -1;
}
void parc(int k)
{
int x;
queue<int> Q;
Q.push(k);
viz[k]=0;
while(!Q.empty()){
x = Q.front();
Q.pop();
for(int i=1; i<=n; i++)
if(a[x][i]==1 && viz[i]==-1){
Q.push(i);
a[x][i]=0;
viz[i] = viz[x]+1;
}
}
for(int i=1; i<=n; i++)
fout<<viz[i]<<" ";
}
int main()
{
citire();
parc(s);
}