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krahets
2023-03-03 02:46:12 +08:00
parent 122805bdc9
commit cf9d102ed5
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chapter_computational_complexity/space_time_tradeoff.md
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@@ -65,8 +65,8 @@ comments: true
=== "Python"
```python title="leetcode_two_sum.py"
""" 方法一：暴力枚举 """
def two_sum_brute_force(nums: List[int], target: int) -> List[int]:
""" 方法一：暴力枚举 """
# 两层循环，时间复杂度 O(n^2)
for i in range(len(nums) - 1):
for j in range(i + 1, len(nums)):
@@ -242,8 +242,8 @@ comments: true
=== "Python"
```python title="leetcode_two_sum.py"
""" 方法二：辅助哈希表 """
def two_sum_hash_table(nums: List[int], target: int) -> List[int]:
""" 方法二：辅助哈希表 """
# 辅助哈希表，空间复杂度 O(n)
dic = {}
# 单层循环，时间复杂度 O(n)