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Problem Title

Difficulty

Avg Time to solve

Attempted

Order of People Heights NEW

113

Ninja

45 mins

513

Maximum Distance NEW

41

Moderate

15 mins

854

Longest Repeating Subsequence NEW

15

Moderate

15 mins

487

Clone Graph NEW

20

Moderate

25 mins

411

Sub Matrices With Sum Zero NEW

11

Moderate

15 mins

120

Regular Expression NEW

16

Hard

25 mins

351

Word Ladder NEW

11

Hard

10 mins

200

Allocate Books NEW

60

Moderate

10 mins

4084

BST queries NEW

21

Easy

10 mins

415

Sum root to leaf NEW

33

Easy

10 mins

988

Word Search - lll NEW

2

Moderate

20 mins

153

Shortest Alternating Path NEW

5

Moderate

10 mins

54

All Unique Permutations NEW

6

Easy

15 mins

131

Shortest Unique Prefix NEW

7

Moderate

15 mins

88

Largest Distance Between Two Nodes In A Tree NEW

4

Moderate

15 mins

79

Maximum Points On Straight Line NEW

7

Hard

10 mins

218

Element that appears once NEW

10

Easy

15 mins

406

Least Common Ancestor NEW

6

Moderate

25 mins

209

Justify Text NEW

7

Hard

35 mins

87

Capture region NEW

5

Moderate

10 mins

77

Four Keys Keyboard NEW

4

Moderate

30 mins

132

Total Strings NEW

2

Moderate

15 mins

1511

Insertion Sort in Linked List NEW

5

Easy

10 mins

184

Allocate Books NEW

109

Moderate

10 mins

4905

Flood Fill Algorithm NEW

15

Moderate

10 mins

566

Order of People Heights NEW

Ninja

113 upvotes

Maximum Distance NEW

Moderate

41 upvotes

Longest Repeating Subsequence NEW

Moderate

15 upvotes

Clone Graph NEW

Moderate

20 upvotes

Sub Matrices With Sum Zero NEW

Moderate

11 upvotes

Regular Expression NEW

Hard

16 upvotes

Word Ladder NEW

Hard

11 upvotes

Allocate Books NEW

Moderate

60 upvotes

BST queries NEW

Easy

21 upvotes

Sum root to leaf NEW

Easy

33 upvotes

Word Search - lll NEW

Moderate

2 upvotes

Shortest Alternating Path NEW

Moderate

5 upvotes

All Unique Permutations NEW

Easy

6 upvotes

Shortest Unique Prefix NEW

Moderate

7 upvotes

Largest Distance Between Two Nodes In A Tree NEW

Moderate

4 upvotes

Maximum Points On Straight Line NEW

Hard

7 upvotes

Element that appears once NEW

Easy

10 upvotes

Least Common Ancestor NEW

Moderate

6 upvotes

Justify Text NEW

Hard

7 upvotes

Capture region NEW

Moderate

5 upvotes

Four Keys Keyboard NEW

Moderate

4 upvotes

Total Strings NEW

Moderate

2 upvotes

Insertion Sort in Linked List NEW

Easy

5 upvotes

Allocate Books NEW

Moderate

109 upvotes

Flood Fill Algorithm NEW

Moderate

15 upvotes

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