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  1. // وَمَا تَوْفِيقِي إِلَّا بِاللَّهِ عَلَيْهِ تَوَكَّلْتُ وَإِلَيْهِ أُنِيبُ
  2.  
  3. #include <bits/stdc++.h>
  4. #define T int t;cin>>t;while(t--)
  5. #define fast ios_base::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr)
  6. #define endl '\n'
  7. #define int long long
  8. #define F first
  9. #define S second
  10. using namespace std;
  11. const int N = 1e5+5;
  12. void Abady() {
  13.     int n; cin >> n;
  14.     int arr[n];
  15.     for (int i = 0; i < n; i++) cin >> arr[i];
  16.     int q; cin >> q;
  17.     while (q--) {
  18.         int type; cin >> type;
  19.         if (type == 1) {
  20.             bitset<N> bt;
  21.             bt[0] = 1;
  22.             vector<int> v;
  23.             for (int i=0;i<n;i++) {
  24.                 if (arr[i]>0) bt |= (bt<<arr[i]);
  25.                 else v.push_back(arr[i]*-1);
  26.             }
  27.             for (int i=0;i<v.size();i++) bt |= (bt>>v[i]);
  28.             int x; cin >> x;
  29.             cout << (bt[x] ? "YES":"NO") << endl;
  30.         }
  31.         else {
  32.             int pos,x; cin >> pos >> x;
  33.             arr[pos-1] = x;
  34.         }
  35.     }
  36. }
  37.  
  38. signed main() {
  39.     fast;
  40.     Abady();
  41. }
  42.  
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/puHi6L
language:
C++14 (gcc 8.3)
created:
2 days ago
visibility:
public

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