jump_game
1# @leet start 2class Solution: 3 def canJump(self, nums: list[int]) -> bool: 4 """ 5 To figure out if we can reach the end of the game, we can iterate 6 backwards. 7 We then check if our index + the number can reach any further than 8 our current best. If so, we update our position to the current index. 9 At the end we make sure we can reach the start of the array, which 10 means we can make it from start to finish. 11 """ 12 last_pos = len(nums) - 1 13 14 for i, num in reversed(list(enumerate(nums))): 15 if i + num >= last_pos: 16 last_pos = i 17 18 return last_pos == 0 19 20 21# @leet end 22 23 24def test(): 25 assert 2 + 2 == 4
class
Solution:
3class Solution: 4 def canJump(self, nums: list[int]) -> bool: 5 """ 6 To figure out if we can reach the end of the game, we can iterate 7 backwards. 8 We then check if our index + the number can reach any further than 9 our current best. If so, we update our position to the current index. 10 At the end we make sure we can reach the start of the array, which 11 means we can make it from start to finish. 12 """ 13 last_pos = len(nums) - 1 14 15 for i, num in reversed(list(enumerate(nums))): 16 if i + num >= last_pos: 17 last_pos = i 18 19 return last_pos == 0
def
canJump(self, nums: list[int]) -> bool:
4 def canJump(self, nums: list[int]) -> bool: 5 """ 6 To figure out if we can reach the end of the game, we can iterate 7 backwards. 8 We then check if our index + the number can reach any further than 9 our current best. If so, we update our position to the current index. 10 At the end we make sure we can reach the start of the array, which 11 means we can make it from start to finish. 12 """ 13 last_pos = len(nums) - 1 14 15 for i, num in reversed(list(enumerate(nums))): 16 if i + num >= last_pos: 17 last_pos = i 18 19 return last_pos == 0
To figure out if we can reach the end of the game, we can iterate backwards. We then check if our index + the number can reach any further than our current best. If so, we update our position to the current index. At the end we make sure we can reach the start of the array, which means we can make it from start to finish.
def
test():