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Coding Interview Questions
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Company
Difficulty
Problem Title
Difficulty
Avg Time to solve
Attempted
Min cost to reach N
2
Easy
10 mins
28
Longest Subarray Zero Sum
0
Easy
18 mins
23
Number X
0
Easy
20 mins
1
Minimize the Maximum
1
Easy
15 mins
30
Unique Pair using Bits
0
Easy
15 mins
2
Left Right Node Balancing
0
Easy
15 mins
5
Sudoku?
52
+3
Moderate
40 mins
100
Smallest Window
0
Easy
10 mins
8
Convert Min-Heap to Max-Heap
0
Easy
26 mins
14
Equation Solver
0
Easy
10 mins
4
Minimum Parentheses
0
Easy
10 mins
3
Change Start Node
0
Easy
20 mins
38
Social Networking Graph
1
Easy
15 mins
15
Generate Binary Numbers
2
Easy
10 mins
10
Pair with Given Sum in a Balanced BST
0
Moderate
25 mins
6
Add First and Second Reversed Half NEW
0
Moderate
42 mins
10
Alternatives NEW
0
Easy
15 mins
6
Alien dictionary NEW
0
Hard
46 mins
8
Increasing Subsegment
0
Easy
15 mins
1
Remove Vowels
0
Easy
10 mins
48
Preorder Binary Tree
0
Easy
mins
7
Longest Bracket
0
Easy
20 mins
5
Minimum number of lamps needed to be installed
0
Easy
10 mins
3
Delete Leaf Nodes with Value X
1
Easy
27 mins
16
Intersection of Linked List
8
Moderate
25 mins
163
Min cost to reach N NEW
Easy
2 upvotes
Longest Subarray Zero Sum NEW
Easy
0 upvotes
Number X NEW
Easy
0 upvotes
Minimize the Maximum NEW
Easy
1 upvote
Unique Pair using Bits NEW
Easy
0 upvotes
Left Right Node Balancing NEW
Easy
0 upvotes
Sudoku? NEW
Moderate
+5
52 upvotes
Smallest Window NEW
Easy
0 upvotes
Convert Min-Heap to Max-Heap NEW
Easy
0 upvotes
Equation Solver NEW
Easy
0 upvotes
Minimum Parentheses NEW
Easy
0 upvotes
Change Start Node NEW
Easy
+1
0 upvotes
Social Networking Graph NEW
Easy
1 upvote
Generate Binary Numbers NEW
Easy
2 upvotes
Pair with Given Sum in a Balanced BST NEW
Moderate
0 upvotes
Add First and Second Reversed Half NEW
Moderate
0 upvotes
Alternatives NEW
Easy
0 upvotes
Alien dictionary NEW
Hard
0 upvotes
Increasing Subsegment NEW
Easy
0 upvotes
Remove Vowels NEW
Easy
0 upvotes
Preorder Binary Tree NEW
Easy
0 upvotes
Longest Bracket NEW
Easy
0 upvotes
Minimum number of lamps needed to be installed NEW
Easy
0 upvotes
Delete Leaf Nodes with Value X NEW
Easy
1 upvote
Intersection of Linked List NEW
Moderate
+2
8 upvotes
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