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Answer: CLASSPLUS Hiring | On-Campus OA (2024) | Find Minimum Operations to Make All Arr by Padala Indira Bhavani • 0
Approach A brute-force solution would compute the absolute difference for every query with every element: O(n × q) which is too …
Answer: KREDIVO Off-Campus OA (2024) | Count Pairs Whose Sum is Less Than Target by Padala Indira Bhavani • 0
Approach Sort the array and use the Two Pointer technique. If: nums[left] + nums[right] < target then all elements between…
Answer: SPINNY Hiring | Off-Campus OA (2024) | Number of Employees Who Met the Target by Padala Indira Bhavani • 0
Approach Traverse the array and count how many employees worked at least the target number of hours. Strategy Initialize coun…
Answer: BYTELEARN Hiring | Number of Distinct Averages | On-Campus OA (2024) by Padala Indira Bhavani • 0
Approach Since we always remove the minimum and maximum elements, sorting the array allows us to use two pointers: left → sma…
Answer: VEDANTU | Off-Campus OA (2024) | Find the Student that Will Replace the Chalk Qu by Padala Indira Bhavani • 0
Approach A direct simulation may require many rounds and can be inefficient. Key Observation Compute the total chalk consumed i…
Answer: CUREFIT Hiring Off-Campus OA (2023) | Sum of Number and Its Reverse by Padala Indira Bhavani • 0
Approach Since: k + reverse(k) = num The value of k cannot exceed num. Brute force through all values from 0 to num: Re…
Answer: SWIGGY INSTAMART | Calculate Delayed Arrival Time | On-Campus OA (2023) by Padala Indira Bhavani • 0
Approach Since time is represented in a 24-hour clock: Actual Arrival Time = (arrivalTime + delayedTime) % 24 Using modulo ensur…
Answer: DUNZO DIGITAL Off-Campus OA (2023) | Count Total Number of Colored Cells by Padala Indira Bhavani • 0
Approach The number of newly added cells at minute i is: 4 × (i - 1) Therefore: Total = 1 + 4(1 + 2 + ... + (n - 1)) U…
Answer: AGNIKUL COSMOS | On-Campus OA (2023) | Find the Pivot Integer by Padala Indira Bhavani • 0
Approach Let: Total Sum = 1 + 2 + ... + n = n(n + 1) / 2 For pivot integer x: 1 + 2 + ... + x = x + (x + 1) + …
Answer: LEEGALITY Hiring | Detect Capital Problem | Off-Campus OA (2023) by Padala Indira Bhavani • 0
Approach Count the number of uppercase letters. The capitalization is valid if: No uppercase letters exist. All letters ar…
Answer: MAGICPIN Hiring On-Campus OA (2022) | Sort Array by Parity by Padala Indira Bhavani • 0
Approach Use the Two Pointer Technique: Place one pointer (left) at the beginning. Place another pointer (right) at the end. I…
Answer: RECKO Hiring Off-Campus OA (2022) | Find Common Characters by Padala Indira Bhavani • 0
Approach Maintain a frequency array minFreq[26] initialized with a very large value. For each word: Count the frequency of ev…
Answer: SIMPLILEARN Hiring On-Campus OA (2022) | Sum of All Odd Length Subarrays by Padala Indira Bhavani • 0
Approach Instead of generating all odd-length subarrays, calculate how many odd-length subarrays contain each element. For index i: …
Answer: SIMPLILEARN Hiring On-Campus OA (2022) | Sum of All Odd Length Subarrays by Padala Indira Bhavani • 0
Approach Instead of generating all odd-length subarrays, calculate how many odd-length subarrays contain each element. For index i: …
Answer: HAPTIK (JIO) Off-Campus OA (2022) | Problem Number of Rectangles That Can Form T by Padala Indira Bhavani • 0
Approach For each rectangle: Compute the largest square side: min(length, width) Maintain: Largest side found s…
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