Background:
College : Top IIT in India
Applied via referral

Round - 1: OA
2 basic coding questions. 1st was on sorting-sliding window and 2nd was a variant of the Pascal's triangle. Followed by SDE work simulations.

Round - 2: Interview
Introduce yourself followed by 2 DSA questions.

Q1.https://leetcode.com/problems/kth-largest-element-in-an-array/
Status: ✅

Q2. Given 2 integers n and k return the number of strings containing lower case letters only such that k equal elements dont appear together.
Status: ❌

Round - 3: Interview
Basic HR questions followed by 1 DSA question

You have n tasks taking time = time[i] and cost = cost[i]. 
You have a senior who will work for free only when you're busy with some 
task and will take 1 unit time to complete any task. Find the min cost.

Status: ❌

Overall: Rejected

Please help me with the last 2 questions.