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  1. /*
  2.  * Author     : Apu Das Orgho
  3.  * Problem    : Help them!
  4.  * Created on : 27-09-2025
  5.  */
  6. #include<bits/stdc++.h>
  7. #define iamspeed ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
  8. #define endl '\n'
  9. using namespace std;
  10. vector<bool> found(1005, 0);
  11.  
  12. int main() {
  13.     iamspeed
  14.     int t;
  15.     cin >> t;
  16.     while (t--) {
  17.         int n;
  18.         cin >> n;
  19.         vector<int> v(n);
  20.         int mn = 1005, mx = 0;
  21.         for (int i = 0; i < n; i++) {
  22.             cin >> v[i];
  23.             found[v[i]] = true;
  24.             mn = min(mn, v[i]);
  25.             mx = max(mx, v[i]);
  26.         }
  27.         for (int i = mn; i <= mx; i++) {
  28.             if (found[i]) {
  29.                 found[i] = false;
  30.                 continue;
  31.             }
  32.             cout << i << endl;
  33.         }
  34.     }
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0.01s 5324KB
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https://ideone.com/mmuBqW
language:
C++14 (gcc 8.3)
created:
5 days ago
visibility:
public

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