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Coding Interview Questions
Topics
Company
Difficulty
Problem Title
Difficulty
Avg Time to solve
Attempted
Two Substrings
3



Easy
10 mins
47
Two Non-Repeating Elements
2



Moderate
40 mins
49
Top View Of The Tree
2



Moderate
25 mins
53
Top View
1


Moderate
42 mins
42
Smallest subarray with required sum
0



Moderate
25 mins
16
Shortest path in an unweighted graph
1



Easy
25 mins
14
Shortest Path in a Binary Matrix
0



Moderate
37 mins
46
Rotting Oranges
1



Easy
20 mins
45
Rearrange The Array
7



Easy
15 mins
44
Number of Pairs with Given Sum
2


Moderate
39 mins
85
Max Product Count
3



Moderate
35 mins
20
Maximum Width In Binary Tree
0



Moderate
38 mins
45
Maximum sum of two non-overlapping subarrays of a given size
0



Easy
15 mins
76
Maximum Subarray Sum
0



Easy
35 mins
148
Match Number
4



Easy
12 mins
81
Longest Substring Without Repeating Characters
0



Easy
20 mins
56
Lexicographical order
0



Moderate
35 mins
68
Level Order Traversal
0



Easy
15 mins
33
Left View of Binary Tree
0



Moderate
30 mins
28
Last Appearance
1



Moderate
38 mins
29
Implement Stack with Linked List
2


Moderate
30 mins
34
Find Smallest Substring
0


Moderate
30 mins
3
Find K’th Character of Decrypted String
1



Moderate
33 mins
34
Deepest Leaves Sum
3



Easy
15 mins
32
Count ways to reach the nth stairs
0



Moderate
30 mins
77
Two Substrings
Easy


+1
3 upvotes
Two Non-Repeating Elements
Moderate


+1
2 upvotes
Top View Of The Tree
Moderate


+1
2 upvotes
Top View
Moderate


+1
1 upvote
Smallest subarray with required sum
Moderate


+1
0 upvotes
Shortest path in an unweighted graph
Easy


+1
1 upvote
Shortest Path in a Binary Matrix
Moderate


+1
0 upvotes
Rotting Oranges
Easy


+1
1 upvote
Rearrange The Array
Easy


+1
7 upvotes
Number of Pairs with Given Sum
Moderate


+1
2 upvotes
Max Product Count
Moderate


+1
3 upvotes
Maximum Width In Binary Tree
Moderate


+1
0 upvotes
Maximum sum of two non-overlapping subarrays of a given size
Easy


+1
0 upvotes
Maximum Subarray Sum
Easy


+1
0 upvotes
Match Number
Easy


+1
4 upvotes
Longest Substring Without Repeating Characters
Easy


+1
0 upvotes
Lexicographical order
Moderate


+1
0 upvotes
Level Order Traversal
Easy


+1
0 upvotes
Left View of Binary Tree
Moderate


+1
0 upvotes
Last Appearance
Moderate


+1
1 upvote
Implement Stack with Linked List
Moderate


+1
2 upvotes
Find Smallest Substring
Moderate


+1
0 upvotes
Find K’th Character of Decrypted String
Moderate


+1
1 upvote
Deepest Leaves Sum
Easy


+1
3 upvotes
Count ways to reach the nth stairs
Moderate


+1
0 upvotes
Preparation Video
How To Crack Product Based Companies?