4 problems: https://leetcode.com/contest/weekly-contest-344/, no hard problems, they look doable. Just follow this guide and practise, you will come around, plus we have ChatGPT now, if you cannot come up with some decent solutions by yourself, why not try some help from AI ?!
- https://yuqiuge.medium.com/leetcode-find-the-distinct-difference-array-9fd9af0c500d
- https://yuqiuge.medium.com/leetcode-frequency-tracker-acc0cc56960
- https://yuqiuge.medium.com/leetcode-number-of-adjacent-elements-with-the-same-color-f342da464132
- May wanna use ChatGPT for the last one: https://yuqiuge.medium.com/chatgpt-gives-us-some-hints-on-leetcode-problem-make-costs-of-paths-equal-in-a-binary-tree-18f48c864d13, if your time is running up.
