Data Structures
240 problems · 6 topics
Graphs
37 questions
5 easy
·
16 med
·
16 hard
Practice
Hashmap and Heaps
65 questions
39 easy
·
21 med
·
5 hard
Practice
Trees
56 questions
36 easy
·
19 med
·
1 hard
Practice
Linked List
43 questions
32 easy
·
11 med
·
0 hard
Practice
Stacks
29 questions
5 easy
·
18 med
·
6 hard
Practice
Trie
10 questions
2 easy
·
7 med
·
1 hard
Practice