Submission #3006030

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Source Code Expand

#include<iostream>
#include<set>
using namespace std;
int main(){
  int N,K,a,b;
  cin>>N>>a>>b>>K;
  int P[K];
  set<int> ans;
  for(int i=0;i<K;i++){
    cin>>P[i];
    ans.insert(P[i]);
  }
  ans.insert(a);
  ans.insert(b);
  cout<<ans.size()<<endl;
  if(K==ans.size()-2){
    cout<<"YES"<<endl;
  }else{
    cout<<"NO"<<endl;
  }
  return 0;
}

Submission Info

Judge Result