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#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <cstring>
#define Nmax 100005
#define INF 0x3f3f3f3f
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
int n, m, s, x, y;
int d[Nmax];
vector <int> v[Nmax];
queue <int> Q;
void bfs(int start)
{
memset(d, INF, sizeof(d));
// for (int i = 1; i <= n; i++) d[i]=INF;
d[start]=0;
Q.push(start);
while(!Q.empty())
{
int x=Q.front();
Q.pop();
for (auto y:v[x])
{
if(d[y]>d[x]+1)
{
d[y]=d[x]+1;
Q.push(y);
}
}
}
for (int i = 1; i <= n; i++)
if(d[i] == INF) g << "-1 ";
else
g << d[i] << " ";
}
int main()
{
f >> n >> m >> s;
for (int i = 1; i <= m; i++)
{
f >> x >> y;
v[x].push_back(y);
}
bfs(s);
return 0;
}