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#include<iostream>
#include<set>
#include<algorithm>
#include <vector>
#include <fstream>
#include <cstring>
#include <map>
#include <math.h>
#include <queue>
using namespace std;
class InParser {
private:
FILE *fin;
char *buff;
int sp;
char read_ch() {
++sp;
if (sp == 4096) {
sp = 0;
fread(buff, 1, 4096, fin);
}
return buff[sp];
}
public:
InParser(const char* nume) {
fin = fopen(nume, "r");
buff = new char[4096]();
sp = 4095;
}
InParser& operator >> (int &n) {
char c;
while (!isdigit(c = read_ch()) && c != '-');
int sgn = 1;
if (c == '-') {
n = 0;
sgn = -1;
} else {
n = c - '0';
}
while (isdigit(c = read_ch())) {
n = 10 * n + c - '0';
}
n *= sgn;
return *this;
}
InParser& operator >> (long long &n) {
char c;
n = 0;
while (!isdigit(c = read_ch()) && c != '-');
long long sgn = 1;
if (c == '-') {
n = 0;
sgn = -1;
} else {
n = c - '0';
}
while (isdigit(c = read_ch())) {
n = 10 * n + c - '0';
}
n *= sgn;
return *this;
}
};
int n, m, s;
vector<int> v[100111];
vector<int> viz(100111);
vector<int> dist(100111);
int main (){
InParser cin ("bfs.in");
ofstream cout ("bfs.out");
cin >> n >> m >> s;
for (int i = 1; i<=m; i++){
int a, b;
cin >> a >> b;
v[a].push_back(b);
}
queue<int> q;
q.push(s);
viz[s] = 1;
dist[s] = 0;
while (!q.empty()){
int nod = q.front();
q.pop();
for (int i = 0; i<v[nod].size(); i++){
int vecin = v[nod][i];
if (!viz[vecin]){
q.push(vecin);
dist[vecin] = dist[nod]+1;
viz[vecin] = 1;
}
}
}
for (int i = 1; i<=n; i++){
if (!viz[i]){
cout << -1 << " ";
}
else {
cout << dist[i] << " ";
}
}
}