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#include <fstream>
#include <vector>
using namespace std;
ifstream f("bfs.in");
ofstream g("bfs.out");
vector<int> graph[1001];
int n, m, queue[1001], visited[1001], starting_node, i, node1, node2, first, last;
int main()
{
f>>n>>m>>starting_node;
for (i=1; i<=m; i++) {
f>>node1>>node2;
graph[node1].push_back(node2);
}
first=1;
last=1;
queue[first]=starting_node;
visited[starting_node]=1;
while (first <= last) {
for (i=0; i<graph[queue[first]].size(); i++) {
if (visited[graph[queue[first]][i]]==0) {
last++;
queue[last]=graph[queue[first]][i];
visited[queue[last]] = visited[queue[first]] + 1;
}
}
first++;
}
for (i=1; i<=n; i++) {
if (visited[i]!=0)
g<<visited[i]-1<<" ";
else
g<<-1<<" ";
}
return 0;
}