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  1. Prepare
  2. Algorithms
  3. Strings
  4. Mars Exploration
  5. Discussions

Mars Exploration

  • dorirgob
     + 0 comments
    public static int marsExploration(String s) {
  // Write your code here
  int diff = 0;
  for (int i = 0; i < s.length(); i++) {
    if ((i % 3 == 0 || i % 3 == 2) && s.charAt(i) != 'S') {
      diff++;
    } else if (i % 3 == 1 && s.charAt(i) != 'O') {
      diff++;
    }
  }
  return diff;
}