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Azhar's first sheet

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By Azhar Khan28 problems4 Easy19 Medium5 Hard4 followersUpdated 20 Apr 2025

28problems

4Easy

19Medium

5Hard

Signed in, the sheet shows which of these you have solved.

Showing 19 of 28 problems · Medium · Clear

TitleSolutionAcceptDifficultyTopics

2. Add Two NumbersVideo

Solution49.3%Medium

Linked List, Math +1· 37 companies

6. Zigzag ConversionVideo

Solution54.9%Medium

String· 19 companies

7. Reverse IntegerVideo

Solution32.2%Medium

Math· 22 companies

8. String to Integer (atoi)Video

Solution21.4%Medium

String· 21 companies

39. Combination SumVideo

Solution76.9%Medium

Array, Backtracking· 26 companies

40. Combination Sum IIVideo

Solution60.3%Medium

Array, Backtracking· 15 companies

34. Find First and Last Position of Element in Sorted ArrayVideo

Solution49.7%Medium

Array, Binary Search· 29 companies

45. Jump Game IIVideo

Solution43.2%Medium

Array, Dynamic Programming +1· 26 companies

47. Permutations IIVideo

Solution64.3%Medium

Array, Backtracking· 9 companies

59. Spiral Matrix IIVideo

Solution76.0%Medium

Array, Matrix +1· 11 companies

79. Word SearchVideo

Solution48.2%Medium

Array, Backtracking +2· 36 companies

73. Set Matrix ZeroesVideo

Solution63.8%Medium

Array, Hash Table +1· 22 companies

81. Search in Rotated Sorted Array IIVideo

Solution40.4%Medium

Array, Binary Search· 10 companies

82. Remove Duplicates from Sorted List IIVideo

Solution52.8%Medium

Linked List, Two Pointers· 11 companies

95. Unique Binary Search Trees IIVideo

Solution63.3%Medium

Backtracking, Binary Search Tree +3· 5 companies

93. Restore IP AddressesVideo

Solution57.3%Medium

Backtracking, String· 20 companies

98. Validate Binary Search TreeVideo

Solution36.1%Medium

Binary Search Tree, Binary Tree +2· 18 companies

113. Path Sum IIVideo

Solution62.6%Medium

Backtracking, Binary Tree +2· 10 companies

134. Gas StationVideo

Solution48.4%Medium

Array, Greedy· 29 companies

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