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#include <fstream>
#include <queue>
#include <cstring>
#define MAX_VERTICES 1001 // 100010
using namespace std;
ifstream fin("bfs.in");
ofstream fout("bfs.out");
int graph[MAX_VERTICES][MAX_VERTICES];
void BFS(int start_vertex, int nr_vertices) {
queue<int> vertices;
int distances[MAX_VERTICES];
memset(distances, -1, sizeof(distances));
vertices.push(start_vertex);
distances[start_vertex] = 0;
while (!vertices.empty()) {
int current = vertices.front();
vertices.pop();
for (int j = 1; j <= nr_vertices; ++j) {
if (graph[current][j] == 1 && distances[j] == -1) {
vertices.push(j);
distances[j] = distances[current] + 1;
}
}
}
for (int i = 1; i <= nr_vertices; ++i) {
fout << distances[i] << " ";
}
}
int main() {
int nr_vertices, nr_edges, start_vertex, vertexA, vertexB;
fin >> nr_vertices >> nr_edges >> start_vertex;
for (int i = 0; i < nr_edges; i++) {
fin >> vertexA >> vertexB;
++graph[vertexA][vertexB];
}
BFS(start_vertex, nr_vertices);
return 0;
}