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/find-the-safest-path-in-a-grid/description/

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

https://leetcode.com/problems/hand-of-straights/description/

Can array be split into consecutive groups #medium #heap #treemap

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

Max capital by choosing k jobs with profits[] & capital[] given w on start #hard #heap

https://leetcode.com/problems/range-sum-of-sorted-subarray-sums/description/

Sum of [left..right] of sorted subarray sums #medium #heap