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Answer: ONECARD Hiring | Merge Two 2D Arrays by Summing Values | Off-Campus OA (2022) by Padala Indira Bhavani • 0
Approach Use a TreeMap: Insert all (id, value) pairs from nums1. Insert all pairs from nums2. If an ID already exists, add the…
Answer: RUPEEK Hiring | On-Campus OA (2022) | Check if Array Is Sorted and Rotated by Padala Indira Bhavani • 0
Approach A sorted and rotated array can have at most one position where the order decreases. Example: [3,4,5,1,2] ↑ Th…
Answer: BHARATPE Off-Campus OA (2021) | Minimum Sum of Four Digit Number After Splitting by Padala Indira Bhavani • 0
Approach Extract all 4 digits from the number. Sort the digits in ascending order. To minimize the total sum: Place smaller…
Answer: DIGIT INSURANCE Hiring On-Campus OA (2021) | Two Out of Three Problem by Padala Indira Bhavani • 0
Approach Use a HashMap to count in how many arrays each number appears. Since duplicates within the same array should be counted only…
Answer: MEESHO SUPPLY Hiring | Minimum Absolute Difference |Off-Campus OA (2021) by Padala Indira Bhavani • 0
Approach The minimum absolute difference must occur between two adjacent elements in the sorted array. Steps: Sort the array. …
Answer: LENDINGKART Hiring | On-Campus OA (2025) | Find Subsequence of Length K With the by Padala Indira Bhavani • 0
Approach To maximize the subsequence sum: Store indices of all elements. Sort indices by their corresponding values in descendin…
Answer: SMALLCASE Off-Campus OA (2025) | Find the Largest Palindrome Divisible by K Pro by Padala Indira Bhavani • 0
Approach Since n ≤ 9, the search space is small enough to use backtracking. A palindrome is completely determined by its first hal…
Answer: YULU Off-Campus OA (2025) | Check if Two String Arrays are Equivalent by Padala Indira Bhavani • 0
Approach 1: Concatenate and Compare Join all strings in both arrays and compare the resulting strings. Strategy Convert each ar…
Answer: MOBIKWIK Hiring | Largest Perimeter Triangle | On-Campus OA (2024) by Padala Indira Bhavani • 0
Approach A triangle is valid if the sum of two smaller sides is greater than the largest side. After sorting the array: Maintai…
Answer: ZETA SUITE Hiring Off-Campus OA (2024) | Problem Number of Good Pairs by Padala Indira Bhavani • 0
Approach Use a frequency map. While traversing the array: If a number has appeared k times before, then the current occurrenc…
Answer: CARS24 On-Campus OA (2024) | Minimum Number of Moves to Seat Everyone by Padala Indira Bhavani • 0
Approach To minimize the total movement: Sort both arrays. Match the smallest seat with the smallest student, second smallest wi…
Answer: TATA 1MG Hiring Off-Campus OA (2024) | Replace Element with Greatest Element on by Padala Indira Bhavani • 0
Approach Traverse the array from right to left while maintaining the maximum element seen so far on the right. For each position: …
Answer: STASHFIN Off-Campus OA (2024) | Count Operations to Obtain Zero by Padala Indira Bhavani • 0
Approach 1: Direct Simulation Simulate the process exactly as described. At each step: Subtract the smaller number from the lar…
Answer: RAPIDO Hiring | Find Maximum Number of String Pairs | On-Campus OA (2024) by Padala Indira Bhavani • 0
Approach Use a HashSet to keep track of strings seen so far. For each word: Generate its reverse. If the reverse already exis…
Answer: CRED MINT Off-Campus OA (2024) | Check if Matrix Is X-Matrix by Padala Indira Bhavani • 0
Approach Traverse every cell in the matrix. For each position (i, j): Check whether it belongs to either diagonal. If it is o…
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