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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#define nmax 100001
#define inf 1<<30
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int n, m, S;
int firstVertex, secondVertex;
int cost[nmax];
vector <int> G[nmax];
queue <int> q;
void read();
void init();
void bfs();
void write();
int main()
{
read();
bfs();
write();
return 0;
}
void read()
{
fin >> n >> m >> S;
for (int i = 1; i <= n; i++)
{
fin >> firstVertex >> secondVertex;
G[firstVertex].push_back(secondVertex);
}
}
void init()
{
for (int i = 1; i <= n; i++)
cost[i] = inf;
cost[S] = 0;
}
void bfs()
{
init();
q.push(S);
while (!q.empty())
{
int currentVertex = q.front();
q.pop();
for (int i = 0; i < G[currentVertex].size(); i++)
{
int neighborVertex = G[currentVertex][i];
if (cost[neighborVertex] > cost[currentVertex] + 1)
{
cost[neighborVertex] = cost[currentVertex] + 1;
q.push(neighborVertex);
}
}
}
}
void write()
{
for (int i = 1; i <= n; i++)
{
if (cost[i] == inf)
cost[i] = -1;
fout << cost[i] << " ";
}
}