WaterDrop

  public int[] pourWater(int[] heights, int V, int K) {
        if (heights == null || heights.length == 0 || V == 0) {
            return heights;
        }
        int index;
        while (V > 0) {
            index = K;
            for (int i = K - 1; i >= 0; i--) {
                if (heights[i] > heights[index]) {
                    break;
                } else if (heights[i] < heights[index]) {
                    index = i;
                }
            }
            if (index != K) {
                heights[index]++;
                V--;
                continue;
            }
            for (int i = K + 1; i < heights.length; i++) {
                if (heights[i] > heights[index]) {
                    break;
                } else if (heights[i] < heights[index]) {
                    index = i;
                }
            }
            heights[index]++;
            V--;
        }
        return heights;
    }