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  1. #include <iostream>
  2.  
  3. template<typename RvalT, typename Iter>
  4. RvalT getHex(Iter first, Iter last)
  5. {
  6.     RvalT rval = 0;
  7.  
  8.     for(RvalT base_mul = 1 ; last != first ; base_mul *= 16)
  9.         rval += base_mul * (*--last - '0');
  10.  
  11.     return rval;
  12. }
  13.  
  14. int main()
  15. {
  16.     std::string tst = "121";
  17.     std::cout << getHex<int>(tst.begin(), tst.end());
  18. }
Success #stdin #stdout 0.01s 2856KB
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https://ideone.com/dcdtPb
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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