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6 days ago 
Padala Indira Bhavani • 0
Robinhood Interview Questions & Experiences
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Recent Replies
Answer: PROGCAP Hiring | Off-Campus OA (2024) | Count Number of Texts by Padala Indira Bhavani • 0
Approach Use Dynamic Programming. Let: dp[i] represent the number of ways to decode the first i characters. For every posi…
Answer: SQUADSTACK Hiring Challenge | Interview Question | On-Campus OA (2023) by Padala Indira Bhavani • 0
Approach Let: dp[i] = number of ways to reach stair i For stair i, the last jump could be: 1 step from i-1 2 steps from …
Answer: SERVIFY Hiring | Number of Common Factors | Off-Campus OA (2023) by Padala Indira Bhavani • 0
Approach A number that divides both a and b must also divide their Greatest Common Divisor (GCD). Therefore: Find gcd(a, b). …
Answer: TEACHMINT Hiring Challenge | Interview On-Campus OA Question (2023) by Padala Indira Bhavani • 0
Approach Count the frequency of every character across all strings. For all strings to become equal: Every character's total f…
Answer: ENTRI Hiring | Online Assessment Question | On-Campus (2023) by Padala Indira Bhavani • 0
Approach We only need to determine whether an operation increments or decrements the variable. If the operation contains '+…
Answer: FLIXSTOCK Hiring Challenge | Campus Online Assessment Question | On-Campus (2023 by Padala Indira Bhavani • 0
Approach Count the frequency of each character. Store all frequencies in a set. If all frequencies are identical, the set size wi…
Answer: NINJACART Hiring | Off-Campus OA (2023) | Add Two Integers by Padala Indira Bhavani • 0
Approach Addition can be performed using: XOR (^) → Sum without carry. AND (&) → Carry bits. Left Shift (<<…
Answer: MILKBASKET | On-Campus OA (2022) | Find First Palindromic String in the Array by Padala Indira Bhavani • 0
Approach Traverse each string in the array and check whether it is a palindrome using the two-pointer technique. For every word: …
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Approach First count: Number of ones in each row. Number of ones in each column. Since: zerosRow[i] = n - rowOnes[i] …
Answer: OKCREDIT Hiring | Online Assessment Question | On-Campus (2022) by Padala Indira Bhavani • 0
Approach This is a classic Binary Search on Answer problem. Instead of directly finding the answer, we binary search the possible max…
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Solution 1: 3Sum — Two Pointers Approach To avoid O(N3) brute force search, we sort the array and iterate through it, using a *…
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Answer: Pinterest SWE Interview Question 2024 June | Monotonic Stack | on-campus by Pravardhan Aare • 0
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Answer: Salesforce Associate Developer Interview Question 2024 April | Prefix Sum | on-c by Pravardhan Aare • 0
Solution 2: Subarray Sum Equals K — HashMap Prefix Sum Approach Instead of checking every subarray in O(N2) time, we use a Hash…
Answer: Uber, Recently Asked Online Assessments in May, 2024 | Word Search | Backtrackin by Pravardhan Aare • 0
Solution 1: Word Search — Backtracking with DFS Approach We traverse the grid and start a Depth First Search (DFS) from any cel…
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