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#include <bits/stdc++.h>
#define NMAX 100001
#define INF 1<<30
using namespace std;
//ifstream fin("bfs.in");
//ofstream fout("bfs.out");
FILE *f = fopen("bfs.in", "r");
FILE *g = fopen("bfs.out", "w");
vector<int> G[NMAX];
int n, m, S, a, b;
int V[NMAX];
bool use[NMAX];
queue<int> Q;
void BFS() {
while(!Q.empty()) {
int node = Q.front();
Q.pop();
for(int i = 0; i < G[node].size(); i++) {
if(!use[G[node][i]]) {
V[G[node][i]] = V[node] + 1;
Q.push(G[node][i]);
use[G[node][i]] = 1;
}
}
}
}
int main()
{
fscanf(f, "%d %d %d", &n, &m, &S);
while(m--) {
fscanf(f, "%d %d", &a, &b);
G[a].push_back(b);
}
Q.push(S);
use[S] = 1;
BFS();
for(int i = 1; i <= n; i++) {
if(i == S) fprintf(g, "0 ");
else if(V[i] == 0) fprintf(g, "-1 ");
else fprintf(g, "%d ", V[i]);
}
return 0;
}