Get to know how you can ace the interviews of reputed product-based companies like Flipkart and Snapdeal by practicing basic interview questions on CodeStudio.

Problem Title

Difficulty

Avg Time to solve

Attempted

Serialize/Deserialize The Binary Tree

7

Hard

15 mins

113

Detect Cycle in a Directed Graph

1

Moderate

25 mins

90

Braille's Dilemma

3

Hard

15 mins

33

Bipartite Graph

22

Moderate

50 mins

215

Three Ninja Candidate

3

Easy

10 mins

43

Sum of Big integers.

0

Easy

15 mins

48

Find the median of all subarrays of a particular size.

1

Moderate

30 mins

27

Find the elements value if present in the cache.

0

Hard

35 mins

27

Capacity To Ship Packages Within D Days

5

Moderate

15 mins

45

Path Sum IV

1

Moderate

20 mins

9

Different Ways To Add Parenthesis

1

Easy

10 mins

7

Minimum count of balls in a bag

4

Moderate

15 mins

91

Collect Maximum Apples

0

Hard

15 mins

15

Triangle

0

Moderate

25 mins

14

Circular Permutation In Binary Representation

2

Moderate

25 mins

29

Split Concatenated String

4

Moderate

25 mins

1

Good Subarrays

2

Moderate

15 mins

14

Odd and even positioned linked list nodes

6

Easy

10 mins

37

Bracket Number

1

Easy

15 mins

78

Divide Array In K Sets Of Consecutive Numbers

1

Moderate

15 mins

21

Largest Even Number

2

Moderate

20 mins

54

Maximum Sum Subsequence

1

Hard

45 mins

45

Maximize Score

1

Moderate

10 mins

92

Ninja And The Triangle

3

Easy

15 mins

14

Squares of a Sorted Array

3

Easy

15 mins

163

Serialize/Deserialize The Binary Tree

Hard

7 upvotes

Detect Cycle in a Directed Graph

Moderate

1 upvote

Braille's Dilemma

Hard

3 upvotes

Bipartite Graph

Moderate

22 upvotes

Three Ninja Candidate

Easy

3 upvotes

Sum of Big integers.

Easy

0 upvotes

Find the median of all subarrays of a particular size.

Moderate

1 upvote

Find the elements value if present in the cache.

Hard

0 upvotes

Capacity To Ship Packages Within D Days

Moderate

5 upvotes

Path Sum IV

Moderate

1 upvote

Different Ways To Add Parenthesis

Easy

1 upvote

Minimum count of balls in a bag

Moderate

4 upvotes

Collect Maximum Apples

Hard

0 upvotes

Triangle

Moderate

0 upvotes

Circular Permutation In Binary Representation

Moderate

2 upvotes

Split Concatenated String

Moderate

4 upvotes

Good Subarrays

Moderate

2 upvotes

Odd and even positioned linked list nodes

Easy

6 upvotes

Bracket Number

Easy

1 upvote

Divide Array In K Sets Of Consecutive Numbers

Moderate

1 upvote

Largest Even Number

Moderate

2 upvotes

Maximum Sum Subsequence

Hard

1 upvote

Maximize Score

Moderate

1 upvote

Ninja And The Triangle

Easy

3 upvotes

Squares of a Sorted Array

Easy

3 upvotes

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