就是for循环有点多。。。
# 代码中的类名、方法名、参数名已经指定,请勿修改,直接返回方法规定的值即可 # # # @param num int整型一维数组 # @return int整型二维数组 # class Solution: def threeSum(self , num: List[int]) -> List[List[int]]: # write code here res = [] n = len(num) for i in range(n - 2): for j in range(i + 1, n - 1): for k in range(j + 1, n): if num[i] + num[j] + num[k] == 0: res.append([num[i], num[j], num[k]]) for i in range(len(res)): res[i] = sorted(res[i]) res = set([tuple(t) for t in res]) res = [list(t) for t in res] return sorted(res)