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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. #include <cmath>
  5.  
  6. int main() {
  7.   std::vector<int> numbers = {-6, -7, 0, 4, 7, 1, 2, 21, -23, -2};
  8.  
  9.   auto amount = std::count_if(numbers.begin(), numbers.end(),
  10.                               [](int value) { return abs(value) < 4; });
  11.   std::cout << "Amount of numbers with abs less than 4 is " << amount;
  12. }
  13.  
Success #stdin #stdout 0s 3272KB
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Standard input is empty
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Amount of numbers with abs less than 4 is 4
https://ideone.com/gFQug2
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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