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 Last8773
2Count all subsequences having product less than K6896
3Backspace String Compare5469
4Maximum Sum Increasing Subsequence4869
5Maximum path sum in a triangle4035
6Painting Fence Algorithm3923
7Sequences of given length where every element is more than or equal to twice of previous3866
8Largest rectangular sub-matrix whose sum is 03537
9Find maximum length Snake sequence3486
10LCS (Longest Common Subsequence) of three strings3444
11A Space Optimized DP solution for 0-1 Knapsack Problem3198
12Number of palindromic paths in a matrix3152
13Count ways to reach the nth stair using step 1, 2 or 33019
14Difference Array | Range update query in O(1)2984
15Longest Increasing Subsequence2859
16K maximum sums of overlapping contiguous sub-arrays2736
17Matrix Chain Multiplication2727
18The Painter’s Partition Problem2673
19Minimum insertions to form a palindrome with permutations allowed2634
20Segment Tree2588
21Longest Bitonic Subsequence2564
22Number of siblings of a given Node in n-ary Tree2492
23Red-Black Tree Introduction2468
24Range Queries for Longest Correct Bracket Subsequence2349
25Constant time range add operation on an array2293
26Number of elements less than or equal to a given number in a given subarray2246
27Priority Queue2147
28Maximum Subarray Sum Excluding Certain Elements1964
29Maximum weight transformation of a given string1939
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