Submission #73903640

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
  ll N,Q,K,ans;
  cin >> N >> Q;
  vector<pair<ll,ll>> A(N);
  vector<ll> C(N),D(N);
  for(ll i = 0;i < N;i++){
    cin >> A[i].first;
    A[i].second = i;
  }
  sort(A.begin(),A.end());
  for(ll i = 0;i < N;i++){
    C[A[i].second] = i;
  }
  for(ll i = 0;i < Q;i++){
    cin >> K;
    vector<ll> B(K);
    for(ll j = 0;j < K;j++){
      cin >> B[j];
      D[C[B[j] - 1]] = 1;
    }
    for(ll j = 0;j < K + 1;j++){
      if(D[j] == 0){
        cout << A[j].first << endl;
        break;
      }
    }
    for(ll j = 0;j < K;j++){
      D[C[B[j] - 1]] = 0;
    }
  }
}

Submission Info

Compile Error

./Main.cpp: In function 'int main()':
./Main.cpp:6:12: warning: unused variable 'ans' [-Wunused-variable]
    6 |   ll N,Q,K,ans;
      |            ^~~

Judge Result