Witeso

Rank	Topic	Frequency	Percentage
1	Array	12	63.2%
2	Hash Table	9	47.4%
3	String	7	36.8%
4	Heap (Priority Queue)	4	21.1%
5	Math	3	15.8%
6	Dynamic Programming	3	15.8%
7	Design	3	15.8%
8	Sorting	3	15.8%
9	Binary Search	2	10.5%
10	Backtracking	2	10.5%
11	Greedy	2	10.5%
12	Queue	2	10.5%
13	Sliding Window	2	10.5%
14	Matrix	2	10.5%
15	Linked List	1	5.3%
16	Two Pointers	1	5.3%
17	Stack	1	5.3%
18	Bit Manipulation	1	5.3%
19	Depth-First Search	1	5.3%
20	Union-Find	1	5.3%
21	Graph Theory	1	5.3%
22	Trie	1	5.3%
23	Binary Indexed Tree	1	5.3%
24	Segment Tree	1	5.3%
25	Memoization	1	5.3%
26	Database	1	5.3%
27	Doubly-Linked List	1	5.3%
28	Counting	1	5.3%
29	Data Stream	1	5.3%
30	Enumeration	1	5.3%
31	Prefix Sum	1	5.3%
32	Ordered Set	1	5.3%
33	Monotonic Queue	1	5.3%
34	Eulerian Circuit	1	5.3%

No.	Question Title	Link	Difficulty
1	Reward Top K Students	Visit	Medium
2	Order Two Columns Independently	Visit	Medium
3	K Highest Ranked Items Within a Price Range	Visit	Medium
4	Two Out of Three	Visit	Easy
5	Delete Duplicate Folders in System	Visit	Hard
6	Restricted	Restricted	Hard
7	Restricted	Restricted	Hard
8	Restricted	Restricted	Hard
9	Restricted	Restricted	Hard
10	Restricted	Restricted	Hard
11	Restricted	Restricted	Hard
12	Restricted	Restricted	Hard
13	Restricted	Restricted	Hard
14	Restricted	Restricted	Hard
15	Restricted	Restricted	Hard

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