Data Structures
priority queue

20 problems

#

Title

Acceptance

Difficulty

1

Problem Challenge 1: Minimum Meeting Rooms (hard)
greedy algorithm
sorting
array
+1 more

25.8%

hard

2

priority queue
heap
data modeling

15.1%

Med.

3

sliding window
priority queue
array
+1 more

32.2%

hard

4

greedy algorithm
priority queue
linked list
+2 more

32.2%

hard

5

top k elements
priority queue
array
+1 more

63.5%

easy

6

top k elements
sorting
array
+2 more

42.7%

easy

7

priority queue
heap
k-way merge
+3 more

25.0%

easy

8

greedy algorithm
priority queue
heap

52.7%

easy

9

top k elements
hash map
priority queue
+1 more

55.9%

Med.

10

sorting
counting
hash map
+2 more

80.4%

Med.

11

heap
priority queue
top k elements
+2 more

52.7%

Med.

12

sorting
priority queue
array
+1 more

51.2%

Med.

13

top k elements
greedy algorithm
heap
+3 more

44.4%

hard

14

stack
hash map
priority queue
+2 more

40.0%

hard

15

linked list
k-way merge
sorting
+2 more

84.3%

Med.

16

k-way merge
priority queue
sorting
+1 more

64.5%

Med.

17

greedy algorithm
heap
k-way merge
+1 more

44.1%

hard

18

priority queue
k-way merge
array
+2 more

31.4%

hard

19

k-way merge
priority queue
sorting
+1 more

42.3%

hard

20

merge intervals
heap
sorting
+2 more

22.5%

Med.