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+ 0 comments Here are the solution of Sets-STL in C++ Hacker Rank Solution

+ 0 comments **Here is problem solution**- https://thecscience.com/hackerrank-sets-stl-in-cpp-problem-solution.html

+ 0 comments Here is the Solution of Sets-STL in C++ HackerRank Solution https://www.brokenprogrammers.com/sets-stl-in-cpp-hackerrank-solution

+ 0 comments **Here is problem solution**- https://thecscience.com/hackerrank-sets-stl-in-cpp-problem-solution.html

+ 0 comments # include

# include

# include

# include

# include

# include

using namespace std;

int main() { /* Enter your code here. Read input from STDIN. Print output to STDOUT */

`int n; cin>>n; set<int> s; while(n--){ int a,b; cin>>a>>b; if(a==1){ s.insert(b); } else if(a==2){ s.erase(b); } else if(a==3){ set<int>::iterator itr = s.find(b); if(itr!=s.end()){ cout<<"Yes"<<endl; } else{ cout<<"No"<<endl; } } } return 0;`

}

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