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#include <algorithm>
#include <fstream>
#include <queue>
#include <vector>
using namespace std;
const int MAX_N = 100005;
const int BUFFER_SIZE = 1 << 16;
vector<int> graph[MAX_N];
int cost[MAX_N];
class InputReader {
public:
InputReader() {}
InputReader(const char *filename) {
file = fopen(filename, "r");
cursor = 0;
fread(buffer, BUFFER_SIZE, 1, file);
}
inline InputReader & operator >> (int &k) {
while(!isdigit(buffer[cursor])) {
advance();
}
k = 0;
while(isdigit(buffer[cursor])) {
k = k * 10 + buffer[cursor] - '0';
advance();
}
return *this;
}
private:
FILE* file;
char buffer[BUFFER_SIZE];
int cursor;
inline void advance() {
++ cursor;
if(cursor == BUFFER_SIZE) {
cursor = 0;
fread(buffer, BUFFER_SIZE, 1, file);
}
}
};
int main() {
InputReader fin("bfs.in");
ofstream fout("bfs.out");
int n, m, source;
fin >> n >> m >> source;
for(int i = 1; i <= m; ++ i) {
int x, y;
fin >> x >> y;
graph[x].push_back(y);
}
queue<int> q;
for(int i = 1; i <= n; ++ i) {
cost[i] = -1;
}
cost[source] = 0;
q.push(source);
while(q.empty() == false) {
//q.front()
int node = q.front();
for(int j = 0; j < graph[node].size(); ++ j) {
if(cost[graph[node][j]] == -1) {
cost[graph[node][j]] = cost[node] + 1;
q.push(graph[node][j]);
}
}
q.pop();
}
for(int i = 1; i <= n; ++ i) {
fout << cost[i] << " ";
}
fout << "\n";
return 0;
}