Data Structures
graph

28 problems

#

Title

Acceptance

Difficulty

1

Zigzag Traversal (medium)
binary tree
breadth-first search
level order traversal
+3 more

64.0%

Med.

2

binary tree
breadth-first search
level order traversal
+3 more

64.0%

Med.

3

breadth-first search
level order traversal
binary tree
+1 more

63.9%

easy

4

binary tree
tree depth first search
recursion
+1 more

59.2%

Med.

5

graph
breadth-first search
depth-first search
+2 more

42.8%

easy

6

graph
depth-first search
recursion

0.0%

easy

7

graph
depth-first search
union-find
+3 more

41.5%

Med.

8

graph
depth-first search
breadth-first search
+2 more

64.2%

Med.

9

graph
topological sort
breadth-first search
+1 more

45.0%

Med.

10

breadth-first search
graph
queue
+2 more

69.5%

hard

11

matrix
graph
matrix traversal
+4 more

49.3%

easy

12

matrix
breadth-first search
depth-first search
+4 more

47.4%

easy

13

breadth-first search
depth-first search
recursion
+3 more

38.4%

easy

14

graph
matrix traversal
breadth-first search
+2 more

44.0%

easy

15

graph
matrix
breadth-first search
+3 more

62.6%

Med.

16

graph
depth-first search
matrix
+1 more

19.1%

Med.

17

depth-first search
backtracking
graph
+2 more

28.6%

Med.

18

graph algorithms
topological sort
graph
+2 more

46.4%

Med.

19

topological sort
graph algorithms
graph
+2 more

20.0%

hard

20

graph
topological sort
sorting
+1 more

45.6%

hard

21

graph algorithms
topological sort
graph
+1 more

31.9%

hard

22

graph
breadth-first search
simulation

29.1%

hard

23

graph
breadth-first search
depth-first search
+1 more

45.5%

Med.

24

graph
depth-first search
union-find
+3 more

41.5%

Med.

25

graph
breadth-first search
depth-first search
+2 more

37.5%

Med.

26

depth-first search
breadth-first search
graph
+1 more

30.2%

Med.

27

clone
graph
depth-first search
+3 more

46.3%

Med.

28

graph
graph algorithms
breadth-first search
+1 more

31.7%

Med.