https://leetcode.com/problems/maximize-happiness-of-selected-children/description/

Sum of k maximums decreasing each step #medium #sorting #heap #quickselect

https://leetcode.com/problems/k-th-smallest-prime-fraction/description/

k`th `arr[i]/arr[j], i < j, arr[i] < arr[j] #medium #heap #binary_search

https://leetcode.com/problems/minimum-cost-to-hire-k-workers/description/

Min cost of k workers each doing quality[i] work for fair rate #hard #heap #sorting

https://leetcode.com/problems/largest-local-values-in-a-matrix/description/

Max pooling by 3x3 matrix #easy

https://leetcode.com/problems/score-after-flipping-matrix/description/

Max binary-row sum after toggling rows and columns #medium

https://leetcode.com/problems/path-with-maximum-gold/description/

Max one-way path in matrix #medium #dfs

https://leetcode.com/problems/find-the-safest-path-in-a-grid/description/

Safest path in a grid with thiefs #medium #bfs #heap

https://leetcode.com/problems/evaluate-boolean-binary-tree/description/

Evaluate tree where 0/1 is false/true and 2/3 is or/and #easy #tree #dfs

https://leetcode.com/problems/delete-leaves-with-a-given-value/description/

Recursively remove target leafs from the tree #easy #dfs #tree

https://leetcode.com/problems/distribute-coins-in-binary-tree/description/

Min moves to spread the coins across the tree #medium #dfs #tree

https://leetcode.com/problems/find-the-maximum-sum-of-node-values/description/

Max sum after xor k any edges in a tree #hard #math

https://leetcode.com/problems/sum-of-all-subset-xor-totals/description/

Sum of subsets xors #easy #dfs #backtracking

https://leetcode.com/problems/subsets/description/

All subsets #medium #backtrack

https://leetcode.com/problems/palindrome-partitioning/description/

All palindrome partitions #medium #dfs #dynamic_programming

https://leetcode.com/problems/the-number-of-beautiful-subsets/description/

Count subsets without k difference in them #medium #dfs #backtracking

https://leetcode.com/problems/maximum-score-words-formed-by-letters/description/

Max score of words subset from letters #hard #backtracking #dfs

The numbers

Thanks all those two people who giving me two likes every day ❤️