Algorithms
sorting

19 problems

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#

Title

Acceptance

Difficulty

1

Contains Duplicate (easy)
array
hash set
counting
+1 more

62.7%

easy

2

two pointers
array
binary search
+1 more

100.0%

easy

3

0.0%

easy

4

two pointers
array
sorting

0.0%

easy

5

two pointers
sorting
array
+1 more

0.0%

Med.

6

two pointers
sorting
array

0.0%

Med.

7

two pointers
array
sorting
+1 more

0.0%

Med.

8

two pointers
sorting
array

0.0%

Med.

9

0.0%

Med.

10

Merge Intervals (medium)
merge intervals
sorting
array
+1 more

0.0%

Med.

11

cyclic sort
sorting
array

0.0%

easy

12

two heaps
priority queue
heap
+2 more

0.0%

Med.

13

binary search
modified binary search
array
+1 more

0.0%

easy

14

top k elements
heap
priority queue
+2 more

0.0%

easy

15

k-way merge
heap
priority queue
+3 more

0.0%

Med.

16

backtracking
recursion
array
+2 more

0.0%

Med.

17

array
hash map
sorting
+2 more

0.0%

easy

18

top k elements
array
sorting
+2 more

0.0%

hard

19

array
hash map
two pointers
+1 more

0.0%

easy