Data Structures
heap

12 problems

#

Title

Acceptance

Difficulty

1

Find the Median of a Number Stream (medium)
priority queue
heap
data modeling

15.1%

Med.

2

greedy algorithm
priority queue
linked list
+2 more

32.2%

hard

3

top k elements
sorting
array
+2 more

42.7%

easy

4

priority queue
heap
k-way merge
+3 more

25.0%

easy

5

greedy algorithm
priority queue
heap

52.7%

easy

6

heap
priority queue
top k elements
+2 more

52.7%

Med.

7

top k elements
greedy algorithm
heap
+3 more

44.4%

hard

8

linked list
k-way merge
sorting
+2 more

84.3%

Med.

9

k-way merge
priority queue
sorting
+1 more

64.5%

Med.

10

greedy algorithm
heap
k-way merge
+1 more

44.1%

hard

11

k-way merge
priority queue
sorting
+1 more

42.3%

hard

12

merge intervals
heap
sorting
+2 more

22.5%

Med.