Feb
15
2024
0
17. Letter Combinations of a Phone Number
Use backtracking to brute force find all solutions.
Daily Question – 1337. The K Weakest Rows in a Matrix
Not much to say, times 100 and plus the index, this could save the index number then straightforward.
Daily Question – 2149. Rearrange Array Elements by Sign
The positive number would always on the odd position while negative number would on the double position.
11. Container With Most Water
Description: https://leetcode.com/problems/container-with-most-water/ Notes: Using two pointers
4. Median of Two Sorted Arrays
Not much to say, quite straightforward. But the time complexity is not O(log(m+n))
