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  1. #include <algorithm>
  2. #include <iostream>
  3. #include <vector>
  4.  
  5. int main() {
  6.     const std::vector<double> v{1.5, 3.1, 12.88, 32.4};
  7.  
  8.     const auto x = 13.0;
  9.     auto it = std::adjacent_find(v.begin(), v.end(),
  10.                                  [x](double lhs, double rhs){ return lhs <= x && x < rhs; });
  11.     if (it != v.end()) {
  12.         std::cout << *it << " " << *(it + 1) << std::endl;
  13.     }
  14. }
  15.  
Success #stdin #stdout 0s 15240KB
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Standard input is empty
stdout
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12.88 32.4
https://ideone.com/pypKAU
language:
C++ (gcc 8.3)
created:
7 years ago
visibility:
public

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