Find the number of words, vowels & consonants in the given string

words_vowels_consonents.cpp

// Problem link: https://www.geeksforgeeks.org/program-count-vowels-consonant-digits-special-characters-string/

#include <vector>
#include <sstream>
#include <iostream>
using namespace std;

bool is_vowel(const char &ch) {
  string vowels = "aeiouAEIOU";
  for(const auto &c: vowels)
    if(c == ch)
      return true;
  return false;
}

void get_ans(string &sentence) {
  getline(cin, sentence);
  stringstream ss(sentence);
  vector<string> tokens;
  string str;
  while(getline(ss, str, ' '))
    if(str != "" && str != " ")
      tokens.push_back(str);

  int vowels = 0, consonants = 0;
  for(const string &s: tokens)
    for(const char &c: s)
      if(is_vowel(c)) ++vowels;
      else ++consonants;
  
  cout << tokens.size() << " " << vowels << " " << consonants;
}

int main() {
  int t;  cin >> t;
  cin.ignore();
  while(t--) {
    string sentence;
    get_ans(sentence);
    cout << endl;
  }
  return 0;
}

Problem Link