Sections

Name	Problems	Forum
Linear Data Structures: Arrays	142 problems
Non-linear Data structures: Map, Set, Priority Queues	20 problems
Arithmetic	134 problems
Geometry	31 problem
Graph problems and UF	24 problems
Exhaustive search & Backtracking	33 problems
Search	65 problems
Recursion	21 problem
Sorting and sequences	66 problems
Strings	29 problems
Divide&Conquer and Binary Search Trees (BST)	13 problems
Dynamic programming & Greedy	39 problems
Heuristics	2 problems
Ad-Hoc	37 problems
Unsorted	159 problems
Economics & Finance	11 problems
Linear Data structures: Stacks, Queues, Linked Lists, etc	15 problems