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  1. #include<iostream>
  2. #include<vector>
  3. #include<set>
  4. using namespace std;
  5.  
  6. int add(int a, int b) {
  7.     return a + b;
  8. }
  9.  
  10. float add(float a, float b) {
  11.     return a + b;
  12. }
  13.  
  14. int add(vector<int> v) {
  15.     int sum = 0;
  16.     for (auto i : v)
  17.         sum += i;
  18.     return sum;
  19. }
  20.  
  21. int add(set<int> st) {
  22.     int sum = 0;
  23.     for (auto i : st)
  24.         sum += i;
  25.     return sum;
  26. }
  27.  
  28. bool search(int key, set<int> data_structure) {
  29.     return data_structure.find(key) != data_structure.end();
  30. }
  31.  
  32. int main() {
  33.     set<int> st;
  34.     int n, a;
  35.     cout << "Enter the number of elements: ";
  36.     cin >> n;
  37.     cout << "Enter the elements:\n";
  38.     for (int i = 0; i < n; i++) {
  39.         cin >> a;
  40.         st.insert(a);
  41.     }
  42.  
  43.     cout << "Sum of elements in the set: " << add(st) << endl;
  44.  
  45.     int keyToSearch;
  46.     cout << "Enter the key to search: ";
  47.     cin >> keyToSearch;
  48.     if (search(keyToSearch, st))
  49.         cout << "Key found!\n";
  50.     else
  51.         cout << "Key not found!\n";
  52.  
  53.     return 0;
  54. }
  55.  
Success #stdin #stdout 0s 5276KB
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stdin
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Standard input is empty
stdout
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Enter the number of elements: Enter the elements:
Sum of elements in the set: 2072339360
Enter the key to search: Key not found!
https://ideone.com/iVeOY9
language:
C++ (gcc 8.3)
created:
15 days ago
visibility:
public

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