Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- class NumArray:
- def __init__(self, nums: List[int]):
- self.pref = [0]
- for num in nums:
- self.pref.append(self.pref[-1] + num)
- def sumRange(self, i: int, j: int) -> int:
- return self.pref[j+1] - self.pref[i]
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement