Patterns
simulation

8 problems

#

Title

Acceptance

Difficulty

1

Dutch National Flag Problem (medium)
two pointers
sorting
array
+1 more

29.5%

Med.

2

Problem Challenge 2: Comparing Strings containing Backspaces (medium)
string
two pointers
stack
+1 more

16.8%

Med.

3

25.2%

Med.

4

39.7%

easy

5

0.0%

easy

6

graph
breadth-first search
simulation

29.1%

hard

7

stack
string
simulation
+1 more

37.9%

easy

8

matrix
hash set
hash map
+2 more

35.8%

Med.