Role Hiring for: Associate Software Developer (Intern+FTE)
Round 1: (950 Students appeared for this round)
Online Aptitude Test on HackerEarth Platform (164 Marks)
There were a Mix of 40 Aptitude + Technical Questions each carrying a weightage of 2 or 3 marks and a penalty of -1 for each wrong answer. The Questions were mainly from topics like OS, DBMS, Networks and Basic C/C++ output prediction. The aptitude part had general questions from topics like pipes and cisterns, Age problems, Ratio and Proportion, Work time and Distance etc.
Apart from the MCQs there were 2 Programming Questions of 50 and 20 marks each
- (20 Marks) Given a number N, write the number of permutations possible such that if the numbers are written in an array prime indexes (1-based indexing) contain only prime numbers Example: N=4 Output: 4 Explanation: 1 2 3 4 1 3 2 4 4 2 3 1 4 3 2 1This was bit towards the easy side but involved the computation of the factorial using efficient algorithms like Sieve of Eratosthenes etc.
- (50 Marks) Given two strings S1 and S2. Convert S1 to a palindrome by replacing characters by any other character, such that S1 contains S2, in minimum number of steps. If not possible return -1. Example: S1: archie S2: ar Output: 4 (arcchra or arhhra)