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  1. Prepare
  2. Algorithms
  3. Implementation
  4. Counting Valleys
  5. Discussions

Counting Valleys

  • dharshib
     + 0 comments
    public static int countingValleys(int steps, String path) {
        // Write your code here
        int difference = 0;
        boolean isValley = false;
        int count = 0;
        
        for (int i = 0; i < path.length(); i++) {
            if (difference == 0 && isValley) {
                count++;
            }
            if (path.charAt(i) == 'U') {
                if (difference == 0) {
                    isValley = false;
                }
                difference++;
            } else {
                if (difference == 0) {
                    isValley = true;
                }
                difference--;
            }
        }
        
        if (isValley && difference == 0) {
            count++;
        }
        return count;
    }