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Coding Interview Questions
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Difficulty
Problem Title
Difficulty
Avg Time to solve
Attempted
Calculate square of a number
0

Easy
15 mins
7
Minimum Value
0

Easy
15 mins
0
Find Kth row of Pascal's Triangle
0

Easy
mins
0
Strings Using a, b And c
0

Easy
15 mins
14
Optimal Strategy for a Game
0


Easy
15 mins
8
Walls and gates
1


Easy
15 mins
6
Topological Sort
3




+3
Moderate
30 mins
43
Game of Stones
0

Easy
15 mins
2
Max Stack
0

Easy
15 mins
3
Find Smallest Substring
0



Moderate
30 mins
16
Longest subset zero sum
0

Easy
15 mins
13
Permutation in String
0

Easy
10 mins
6
Predecessor and Successor
0

Moderate
25 mins
7
Distinct Subsequences
0


Easy
10 mins
30
Maximize the sum
0

Easy
15 mins
1
Program to validate IP address
0

Easy
15 mins
5
Decimal to Octal Conversion
0
Easy
15 mins
72
Minimize the maximum difference between adjacent elements in an array
0

Easy
15 mins
15
Distinct Left
3

Easy
20 mins
34
Increasing Path In Matrix
0


Moderate
25 mins
23
Number Pattern
0

Easy
15 mins
4
Ways to arrange balls
5

Easy
15 mins
16
Rearrange string
0

Hard
50 mins
44
Disjoint Intervals
0


Easy
10 mins
15
String Transformation
0

Easy
23 mins
13
Calculate square of a number
Easy

0 upvotes
Minimum Value
Easy

0 upvotes
Find Kth row of Pascal's Triangle
Easy

0 upvotes
Strings Using a, b And c
Easy

0 upvotes
Optimal Strategy for a Game
Easy


0 upvotes
Walls and gates
Easy


1 upvote
Topological Sort
Moderate


+5
3 upvotes
Game of Stones
Easy

0 upvotes
Max Stack
Easy

0 upvotes
Find Smallest Substring
Moderate


+1
0 upvotes
Longest subset zero sum
Easy

0 upvotes
Permutation in String
Easy

0 upvotes
Predecessor and Successor
Moderate

0 upvotes
Distinct Subsequences
Easy


0 upvotes
Maximize the sum
Easy

0 upvotes
Program to validate IP address
Easy

0 upvotes
Decimal to Octal Conversion
Easy
0 upvotes
Minimize the maximum difference between adjacent elements in an array
Easy

0 upvotes
Distinct Left
Easy

3 upvotes
Increasing Path In Matrix
Moderate


0 upvotes
Number Pattern
Easy

0 upvotes
Ways to arrange balls
Easy

5 upvotes
Rearrange string
Hard

0 upvotes
Disjoint Intervals
Easy


0 upvotes
String Transformation
Easy

0 upvotes
Preparation Video
How To Crack Product Based Companies?