Swiggy private limited interview experience Real time questions & tips from candidates to crack your interview
SDE - Intern
Swiggy private limited
1 rounds | 1 Coding
problems
Rejected
Interview preparation journey
Preparation
Duration: 6 months
Topics: Data Structures, Algorithms, OOPS, Computer Networks, DBMS, BFS, DFS
Tip 1 : Try to do 1 atleast 1-2 leetcode questions on a daily basis to sustain consistency.
Tip 2 : Have atleast 2 good projects on your resume.
Application process
Where: Linkedin
Eligibility: No criteria
Tip 1 : Limit your resume in a single page.
Tip 2 : Highlight the keywords in your resume and keep it concise.
Interview rounds
01
Round
Hard
Video Call
Duration60 minutes
Interview date14 Feb 2022
Coding problem1
The round was taken by the engineering head. It started with the introduction and the projects that I have mentioned in my resume. I had mentioned web-based projects, so I was asked to show the codebase and explain the flow of any API endpoint.
After that, a hard-level DSA question was asked.
1. Regular Expression Matching
Hard
25m average time
80% success
0/120
Asked in companies
Given an input string 'S' and a pattern 'P', implement a regular expression matching with the support of two special characters ‘.’ (dot) and ‘*’(asterisk) where
1. ‘.’ matches to any single character.
2. ‘*’ matches to zero or more of the preceding element.
If the input string 'S' matches the pattern 'P', then return true else, return false.
Note:
1. You have to match the entire string with the pattern given.
2. Both the strings, 'S' and 'P' contain only lower-case alphabets.
3. Only the pattern will contain additional characters ‘*’ and ‘.’ along with alphabets.
Problem approach
Step 1: First I gave a recursive approach, i.e., the naive method.
Step 2: The interviewer asked me to optimize the solution.
Step 3: I applied DP memoization to optimize my solution.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
What is recursion?
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