Medium
,Array
,Hash Table
,Backtracking
,Bit Manipulation
491. Non-decreasing Subsequences
Given an integer array nums
, return all the different possible non-decreasing subsequences of the given array with at least two elements. You may return the answer in any order.
Example 1:
Example 2:
Constraints:
nums.length
<= 15nums[i]
<= 100Backtracking走一遍就好
Yen-Chi ChenFri, Jan 20, 2023
Yen-Chi ChenFri, Jan 20, 2023