ABCDEFGHIJKLMNOPQRSTUVWXYZ
1
Questions marked with ** are must do before interviewers
2
3
Valid Anagram**https://www.youtube.com/watch?v=ZTGFz1rG66whttps://leetcode.com/problems/valid-anagram/Easy
4
Check if Every Row and Column Contains All Numbers**https://www.youtube.com/watch?v=rOZgz6gc8Yohttps://leetcode.com/problems/check-if-every-row-and-column-contains-all-numbers/Easy
5
Word Pattern**
https://www.youtube.com/watch?v=eTZuMX9F8s4
https://leetcode.com/problems/word-pattern/Easy
6
Find the Difference https://www.youtube.com/watch?v=V-zhnMi3W_Yhttps://leetcode.com/problems/find-the-difference/Easy
7
8
Check Array Formation Through Concatenation
https://www.youtube.com/watch?v=cSmRGwpa3GM
https://leetcode.com/problems/check-array-formation-through-concatenation/Medium
9
Longest Harmonious Subsequence**https://www.youtube.com/watch?v=Gu9aKI7Oj_Ihttps://leetcode.com/problems/longest-harmonious-subsequence/Medium
10
Design Underground System **https://www.youtube.com/watch?v=Xg0v02Qt6jkhttps://leetcode.com/problems/design-underground-system/Medium
11
Vowel Spellchecker https://www.youtube.com/watch?v=tJay65dOJ5Mhttps://leetcode.com/problems/vowel-spellchecker/Medium
12
3Sum With Multiplicity**
https://www.youtube.com/watch?v=_0wLomqNVHU
https://leetcode.com/problems/3sum-with-multiplicity/Medium
13
Find Duplicate File in Systemhttps://www.youtube.com/watch?v=D6xAHa2_RwAhttps://leetcode.com/problems/find-duplicate-file-in-system/Medium
14
Search Suggestions System **https://www.youtube.com/watch?v=S4NBCV8-9GIhttps://leetcode.com/problems/search-suggestions-system/Medium
15
My Calendar I **https://www.youtube.com/watch?v=CC7rHLWbYqQhttps://leetcode.com/problems/my-calendar-i/Medium
16
Custom Sort String https://www.youtube.com/watch?v=edluuHln06ghttps://leetcode.com/problems/custom-sort-string/Medium
17
Array of Doubled Pairs **https://www.youtube.com/watch?v=tbq0fnZ-IhMhttps://leetcode.com/problems/array-of-doubled-pairs/Medium
18
Pairs of Songs With Total Durations Divisible by 60
https://www.youtube.com/watch?v=Nm17fNO3gXU
https://leetcode.com/problems/pairs-of-songs-with-total-durations-divisible-by-60/Medium
19
Car Pooling
https://www.youtube.com/watch?v=z4eDRBgYmpo
https://leetcode.com/problems/car-pooling/Medium
20
Keep Multiplying Found Values by Twohttps://www.youtube.com/watch?v=w5LsszpeDp4https://leetcode.com/problems/keep-multiplying-found-values-by-two/Medium
21
Contiguous Array
https://www.youtube.com/watch?v=xpuhcOKTWXg
https://leetcode.com/problems/contiguous-array/Medium
22
K-diff Pairs in an Array **https://www.youtube.com/watch?v=V5TYeIGr66Ahttps://leetcode.com/problems/k-diff-pairs-in-an-array/Medium
23
Subarray Sum Equals Khttps://www.youtube.com/watch?v=-0P9julJV8chttps://leetcode.com/problems/subarray-sum-equals-k/Medium
24
Count Array Pairs Divisible by K https://www.youtube.com/watch?v=3pF0cdWfqSEhttps://leetcode.com/problems/count-array-pairs-divisible-by-k/Medium
25
Majority Element **https://www.youtube.com/watch?v=ABb3A4BelUchttps://leetcode.com/problems/majority-element/Medium
26
Create Binary Tree From Descriptionshttps://www.youtube.com/watch?v=ilS3HSDVvE8https://leetcode.com/problems/create-binary-tree-from-descriptions/Medium
27
Smallest String With A Given Numeric Value https://www.youtube.com/watch?v=ReKjrR37BK4https://leetcode.com/problems/smallest-string-with-a-given-numeric-value/Medium
28
Find the Difference of Two Arrays **
https://www.youtube.com/watch?v=-5O0amV12HM
https://leetcode.com/problems/find-the-difference-of-two-arrays/Medium
29
Minimum Deletions to Make Array Beautiful https://www.youtube.com/watch?v=XejmsXnV34chttps://leetcode.com/problems/minimum-deletions-to-make-array-beautiful/Medium
30
Minimum Rounds to Complete All Taskshttps://www.youtube.com/watch?v=gHR4VTNlVEIhttps://leetcode.com/problems/minimum-rounds-to-complete-all-tasks/Medium
31
Minimum Consecutive Cards to Pick Up https://www.youtube.com/watch?v=vOB9S1cRRmIhttps://leetcode.com/problems/minimum-consecutive-cards-to-pick-up/Medium
32
K Divisible Elements Subarrays
https://www.youtube.com/watch?v=GzWGBWDmhN0
https://leetcode.com/problems/k-divisible-elements-subarrays/Medium
33
Max Number of K-Sum Pairs **https://www.youtube.com/watch?v=E6Gt3Jlqiikhttps://leetcode.com/problems/max-number-of-k-sum-pairs/Medium
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100