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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <vector>
  4.  
  5. using namespace std;
  6.  
  7. template<typename T>
  8. T max2(const vector<T>& arr) {
  9.   auto copy(arr);
  10.   auto it = max_element(copy.begin(), copy.end());
  11.  
  12.   swap(*it, *(copy.begin()));
  13.   it = max_element(copy.begin() + 1, copy.end());
  14.  
  15.   return copy[0] + *it;
  16. }
  17.  
  18. int main(int argc, char* argv[]) {
  19.   cout << max2<double>({1.0, 2.0, 3, 4, 5}) << endl;
  20.   return 0;
  21. }
  22.  
Success #stdin #stdout 0s 3016KB
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https://ideone.com/EPjeS8
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
secret

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