CodeNation Interview Experience

Top codenation interview questions

S.NoInterview QuestionNumber of times candidates experienced this question in interviews
1Check length of a String is Equal to the Number Appended at its Last8510
2Count all subsequences having product less than K6542
3Backspace String Compare5190
4Maximum Sum Increasing Subsequence4531
5Maximum path sum in a triangle3683
6Sequences of given length where every element is more than or equal to twice of previous3623
7Painting Fence Algorithm3586
8Largest rectangular sub-matrix whose sum is 03312
9LCS (Longest Common Subsequence) of three strings3127
10Find maximum length Snake sequence3121
11A Space Optimized DP solution for 0-1 Knapsack Problem2927
12Number of palindromic paths in a matrix2885
13Count ways to reach the nth stair using step 1, 2 or 32696
14Difference Array | Range update query in O(1)2661
15Longest Increasing Subsequence2532
16Matrix Chain Multiplication2457
17K maximum sums of overlapping contiguous sub-arrays2411
18Minimum insertions to form a palindrome with permutations allowed2377
19The Painter’s Partition Problem2359
20Number of siblings of a given Node in n-ary Tree2255
21Segment Tree2240
22Longest Bitonic Subsequence2227
23Red-Black Tree Introduction2186
24Constant time range add operation on an array2020
25Range Queries for Longest Correct Bracket Subsequence2001
26Number of elements less than or equal to a given number in a given subarray1940
27Priority Queue1893
28Maximum weight transformation of a given string1731
29Maximum Subarray Sum Excluding Certain Elements1730
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