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#include <bits/stdc++.h>
using namespace std;
ifstream fin( "bfs.in" );
ofstream fout( "bfs.out" );
class graph {
private:
int N; /// number of nodes
vector< vector<int> > ad;
vector< vector<int> > cost;
vector<int> dist;
vector<int> aux; /// auxiliary vector, for different needs
int conexComponents; /// requires DFSTraversal to set the value
void Dfs( int node ) {
aux.push_back( node );
dist[node] = 1;
for( int i = 0; i < ad[node].size(); ++i ) {
int w = ad[node][i];
if( dist[w] == 0 )
Dfs( w );
}
}
public:
graph( int n ) {
N = n;
ad.resize( n + 1 );
cost.resize( n + 1 );
dist.resize( n + 1 );
}
void changeN( int n ) {
N = n;
ad.resize( n + 1 );
cost.resize( n + 1 );
dist.resize( n + 1 );
}
int getN() { return N; }
void addEdge( int x, int y, bool directed = false, int c = 0 ) {
ad[x].push_back(y);
cost[x].push_back(c);
if( !directed ) {
ad[y].push_back(x);
cost[y].push_back(c);
}
}
vector <int> DfsTraversal() {
aux.clear();
conexComponents = 0;
for( int i = 1; i <= N; ++i )
dist[i] = 0;
for( int i = 1; i <= N; i++ )
if( dist[i] == 0 ) {
Dfs( i );
++conexComponents;
}
return aux;
}
void BfsTraversal( int source ) {
queue<int> Q;
for( int i = 0; i <= N; i++ )
dist[i] = 0;
dist[source] = 1;
Q.push( source );
while( !Q.empty() ) {
int u = Q.front();
Q.pop();
for( int i = 0; i < ad[u].size(); ++i ) {
int w = ad[u][i];
if( dist[w] == 0 ) {
dist[w] = dist[u] + 1;
Q.push( w );
}
}
}
}
int getConexComponents() { /// requires DFS to be called first
return conexComponents;
}
vector <int> getDistances() { /// requires BFS to be called first
return dist;
}
};
int main()
{
int n, m, src;
fin >> n >> m >> src;
graph G(n);
int x, y;
for( int i = 1; i <= m; i++ ) {
fin >> x >> y;
G.addEdge( x, y, true, 1 );
}
G.BfsTraversal(src);
vector<int> tmp = G.getDistances();
for( int i = 1; i < tmp.size(); ++i )
fout << tmp[i] - 1<< ' ';
return 0;
}