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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
using namespace std;
vector<vector<int>> v;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
void bfs(int s, int n)
{
vector<int> viz;
viz.resize(n + 2);
for(int i = 1; i <=n ; i++)
{
viz[i] = -1;
}
queue<int> coada;
coada.push(s);
viz[s] = 0;
while(!coada.empty())
{
int curent = coada.front();
coada.pop();
for(int i = 0; i < v[curent].size(); i++)
{
if(viz[v[curent][i]] == -1)
{
viz[v[curent][i]] = viz[curent] + 1;
coada.push(v[curent][i]);
}
}
}
for(int i = 1; i <= n; i++)
{
fout << viz[i] << " ";
}
}
int main()
{
int n, m, s;
fin >> n >> m >> s;
v.resize(n + 2);
for(int i = 0; i < m ; i++)
{
int x,y;
fin >> x >> y;
v[x].push_back(y);
}
bfs(s,n);
}