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

Counting Valleys

  • jayantnishad34
     + 0 comments
    public static int countingValleys(int steps, String path) {
int seaLevel = 0, valleys = 0, currentLevel = 0;

for (char step : path.toCharArray()) {
    if (step == 'U') {
        currentLevel++;
    } else {
        currentLevel--;
    }

    // If we just came up to sea level from below, we've exited a valley
    if (currentLevel == 0 && step == 'U') {
        valleys++;
    }
}

return valleys;
}