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#include <fstream>
#include <vector>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector <int> gr[100001];
int d[100001], m, s, q[100001], n;
int main() {
int x, y;
f>>n>>m>>s;
for(int i=0; i<m; i++) {
f>>x>>y;
gr[x].push_back(y);
}
int i;
int st=0,dr=-1;
for(i=1; i<=n; i++){
d[i]=-1;
}
q[++dr]=s;
d[s]=0;
while(st<=dr) {
x=q[st++];
for(i=0; i<gr[x].size(); i++) {
y=gr[x][i];
if(d[y]==-1) {
q[++dr]=y;
d[y]=1+d[x];
}
}
}
for(i=1; i<=n; i++){
g<<d[i]<<" ";
}
return 0;
}