카타 8급 All Star Code Challenge ＃18

C++

#include <string>
unsigned int strCount(std::string word, char letter){
  return count(word.begin(), word.end(), letter);
}

#include <string>
unsigned int strCount(std::string word, char letter){
  int res = 0;
  for(char c: word) {
    if( c == letter ) res++;
  }
  return res;
}