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  1.     #include <string>
  2.     #include <map>
  3.     #include <sstream>
  4.     #include <algorithm>
  5.     #include <iterator>
  6.  
  7.     using namespace std;
  8.  
  9.     string toString(long value)
  10.     {
  11.         ostringstream oss;
  12.         oss << value;
  13.         return oss.str();
  14.     }
  15.  
  16.     long hash(const string& key)
  17.     {
  18.         return 0;
  19.     }
  20.  
  21.     string generateKey()
  22.     {
  23.         static long value = 0;
  24.         ++value;
  25.         return toString(value);
  26.     }
  27.  
  28.     pair<string, long> generateKeyValuePair()
  29.     {
  30.         string key = generateKey();
  31.         return make_pair(key, hash(key));
  32.     }
  33.  
  34.     int main()
  35.     {
  36.         map<string, long> hashes;
  37.  
  38.         generate_n(inserter(hashes, hashes.begin()), 5, generateKeyValuePair);
  39.  
  40.         return 0;
  41.     }
Success #stdin #stdout 0.01s 2860KB
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https://ideone.com/inJ3V
language:
C++ (gcc 8.3)
created:
13 years ago
visibility:
public

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