Greedy algorithms
Problems on greedy algorithms, including scheduling intervals and deadlines, giving change with coins, choosing items by value per unit, merging with the cheapest cost, covering segments with points, and building the largest or smallest number from digits.
The sorting article in the Basics section and the priority queue article cover the usual tools. Related problem sets are under Sorting, Priority queue and Constructive algorithms.
Problems
Poor Miku#12214
Hard
The Main Character#12217
Medium
Balanced Flow Tree#12237
Medium
Business Matters#12238
Medium
PAM!#12251
Hard
Minimum Increasing Cycle#12253
Very hard
Binary Fun#12272
Medium
Max Trace#12280
Medium
Garland#12286
Medium
Good array#12291
Easy
Hard Game#12292
Medium
Tall Building#12300
Medium