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  1. #include <iostream>                /* C++ iostream            C++98/11 */
  2. #include <string>                  /* C++ strings             C++98/11 */
  3. // #include <boost/regex.hpp>                           /* RegEx                   Boost  */
  4. #include <boost/algorithm/string/replace.hpp>
  5.  
  6. using namespace std;
  7.  
  8. static uint32_t
  9. Fnv1(const std::string& text)
  10. {
  11.    constexpr uint32_t FNV_OFFSET = 0x811c9dc5;
  12.    constexpr uint32_t FNV_PRIME = 16777619;
  13.  
  14.    uint32_t hash = FNV_OFFSET;
  15.    for (const char letter : text) {
  16.       hash *= FNV_PRIME;
  17.       hash ^= letter;
  18.    }
  19.  
  20.    return hash;
  21. }
  22.  
  23. int main() {
  24.  
  25. 	string obj {"1999#"};
  26. 	uint32_t hash = Fnv1(obj);
  27.  
  28.  
  29.  
  30. 	cout<<hash<<endl;
  31. 	cout<<hash%64<<endl;
  32. }
  33.  
Success #stdin #stdout 0.01s 5316KB
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1085289608
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https://ideone.com/6GI6eV
language:
C++14 (gcc 8.3)
created:
14 days ago
visibility:
public

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