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 Last8239
2Count all subsequences having product less than K6103
3Backspace String Compare4898
4Maximum Sum Increasing Subsequence4154
5Maximum path sum in a triangle3382
6Painting Fence Algorithm3362
7Sequences of given length where every element is more than or equal to twice of previous3300
8Largest rectangular sub-matrix whose sum is 02976
9Find maximum length Snake sequence2866
10LCS (Longest Common Subsequence) of three strings2858
11Number of palindromic paths in a matrix2637
12A Space Optimized DP solution for 0-1 Knapsack Problem2629
13Count ways to reach the nth stair using step 1, 2 or 32456
14Difference Array | Range update query in O(1)2347
15Longest Increasing Subsequence2279
16Matrix Chain Multiplication2180
17K maximum sums of overlapping contiguous sub-arrays2174
18The Painter’s Partition Problem2095
19Number of siblings of a given Node in n-ary Tree2033
20Minimum insertions to form a palindrome with permutations allowed2022
21Segment Tree1926
22Longest Bitonic Subsequence1922
23Red-Black Tree Introduction1914
24Constant time range add operation on an array1783
25Range Queries for Longest Correct Bracket Subsequence1729
26Priority Queue1639
27Number of elements less than or equal to a given number in a given subarray1606
28Maximum weight transformation of a given string1546
29Maximum Subarray Sum Excluding Certain Elements1519
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