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Merge pull request #1072 from Xiaofei-fei/master

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修改0494.目标和 python代码
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程序员Carl
2022-02-17 10:34:14 +08:00
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parent 292942d949 2f1c56e6dd
commit 9e653404d6
2 changed files with 2 additions and 1 deletions
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problems/0494.目标和.md
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@ -272,7 +272,8 @@ Python：
class Solution: class Solution:
def findTargetSumWays(self, nums: List[int], target: int) -> int: def findTargetSumWays(self, nums: List[int], target: int) -> int:
sumValue = sum(nums) sumValue = sum(nums)
if target > sumValue or (sumValue + target) % 2 == 1: return 0 #注意边界条件为 target>sumValue or target<-sumValue or (sumValue + target) % 2 == 1
if abs(target) > sumValue or (sumValue + target) % 2 == 1: return 0
bagSize = (sumValue + target) // 2 bagSize = (sumValue + target) // 2
dp = [0] * (bagSize + 1) dp = [0] * (bagSize + 1)
dp[0] = 1 dp[0] = 1