题目
Given an integer array, find three numbers whose product is maximum and output the maximum product.
Example 1:
1 |
Input: [1,2,3] |
Example 2:
1 |
Input: [1,2,3,4] |
Note:
- The length of the given array will be in range [3,104] and all elements are in the range [-1000, 1000].
- Multiplication of any three numbers in the input won’t exceed the range of 32-bit signed integer.
难度
Easy
方法
注意有负数的情况。对nums
排序,取max(nums[-3] * nums[-2] * nums[-1], nums[0] * nums[1] * nums[-1])
python代码
1 |
class (object): |
近期评论