https://leetcode.com/problems/find-score-of-an-array-after-marking-all-elements/description/

Sum of minimums in order excluding siblings #medium #monotonic_stack

https://leetcode.com/problems/continuous-subarrays/description/

Count subarrays with difference <= 2 #medium #monotonic_queue #tree_set

https://leetcode.com/problems/maximum-average-pass-ratio/description/

Arrange passed students to improve average score #medium #heap

https://leetcode.com/problems/final-array-state-after-k-multiplication-operations-i/description/

Mutliply k minimums #easy

https://leetcode.com/problems/construct-string-with-repeat-limit/description/


Max lexical ordered with repeat_limit string #medium #bucket_sort

https://leetcode.com/problems/final-prices-with-a-special-discount-in-a-shop/description/

Subtract next smaller value #easy #monotonic_stack

https://leetcode.com/problems/max-chunks-to-make-sorted/description/

Maximum independent chunks to merge-sort array #medium

https://leetcode.com/problems/reverse-odd-levels-of-binary-tree/description/

Odd-levels reversal in a perfect tree #medium #dfs #bfs #tree

https://leetcode.com/problems/maximum-number-of-k-divisible-components/description/

Max connected components divisible by k in graph #hard #toposort

https://leetcode.com/problems/find-building-where-alice-and-bob-can-meet/description/

Common indices t, h[t] > h[a], h[t] > h[b] for queries q[][a,b] #hard #monotonic_stack

https://leetcode.com/problems/minimum-number-of-operations-to-sort-a-binary-tree-by-level/description/


Min swaps to sort tree layers #medium #cycle-sort #bfs

https://leetcode.com/problems/find-minimum-diameter-after-merging-two-trees/description/

Diameter of 2 connected trees #hard #graph #toposort

https://leetcode.com/problems/find-largest-value-in-each-tree-row/description/

Tree layers maxes #medium

https://leetcode.com/problems/target-sum/description/


Count signs permutations to sum equal target #medium #dynamic_programming

https://leetcode.com/problems/best-sightseeing-pair/description/

Max (a[i] + a[j] + i - j), i > j #medium #arithmetics

https://leetcode.com/problems/maximum-sum-of-3-non-overlapping-subarrays/description/


3 max non-intersecting intervals #hard #dynamic_programming #sliding_window

https://leetcode.com/problems/number-of-ways-to-form-a-target-string-given-a-dictionary/description/

Ways to make target with increasing positions in words #hard #dynamic_programming

https://leetcode.com/problems/count-ways-to-build-good-strings/description/

Ways to make 01-string length of low..high #medium #dynamic_programming

https://leetcode.com/problems/minimum-cost-for-tickets/description/

Min sum buying 1,7,30-days tickets to travel all days #medium #dymanic_programming

Anything you will do on a daily basis will gain x365 improvement.

Here is my post from 1 year ago https://t.me/leetcode_daily_unstoppable/456

Happy new year 🎄

https://leetcode.com/problems/maximum-score-after-splitting-a-string/description/

Max(left_zeros + right_ones) #easy