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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <vector>
  4.  
  5. int main() {
  6.     std::vector<int> unsorted = {10, 20, 5, 15, 25};
  7.  
  8.     auto lb = std::lower_bound(unsorted.begin(), unsorted.end(), 15);
  9.     auto ub = std::upper_bound(unsorted.begin(), unsorted.end(), 15);
  10.  
  11.     std::cout << "Lower Bound: " << (lb - unsorted.begin()) << std::endl;
  12.     std::cout << "Upper Bound: " << (ub - unsorted.begin()) << std::endl;
  13.  
  14.     return 0;
  15. }
  16.  
Success #stdin #stdout 0.01s 5284KB
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stdin
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Standard input is empty
stdout
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Lower Bound: 3
Upper Bound: 4
https://ideone.com/N1XksT
language:
C++ (gcc 8.3)
created:
14 hours ago
visibility:
public

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