#include <bits/stdc++.h>
using namespace std;
void dfs(string name,unordered_map<string,unordered_set<string>> & adj,
vector<string> & results)
{
}
int main() {
// your code goes here
unordered_map<string,unordered_set<string>> adj;
string name = "service";
vector<string> results;
dfs(name,adj,results);
return 0;
}
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