Problem can be found in here!
Solution: Two Pointers
def maxArea(height: List[int]) -> int:
max_volume = 0
left, right = 0, len(height) - 1
while left != right:
# if height[left] is smaller, the only way to increase volume is to check whether
# moving left to left + 1 increase the volume since width is getting smaller.
if height[left] >= height[right]:
volume = height[right] * (right - left)
right -= 1
else:
volume = height[left] * (right - left)
left += 1
max_volume = max(max_volume, volume)
return max_volume
Explanation: Sorting intervals can make sure that for any 0 <= i <= size of intervals-1, intervals[i][0]<=intervals[i+1][0], which is a great property that we only need to change end time in overlapping cases.