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Trilogy Innovations(CodeNation) Coding Round, 5th March | Find the Evil Monsters | Minimize Travel Tax | Expected Path Length - III | Three Subarrays
50 Votes | 14 Replies
free-public-post
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8 weeks ago
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CLASSPLUS Hiring | On-Campus OA (2024) | Find Minimum Operations to Make All Array Elements Equal Problem
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15 hours ago
Padala Indira Bhavani
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KREDIVO Off-Campus OA (2024) | Count Pairs Whose Sum is Less Than Target
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arrays
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15 hours ago
Padala Indira Bhavani
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SPINNY Hiring | Off-Campus OA (2024) | Number of Employees Who Met the Target
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Padala Indira Bhavani
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BYTELEARN Hiring | Number of Distinct Averages | On-Campus OA (2024)
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15 hours ago
Padala Indira Bhavani
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CUREFIT Hiring Off-Campus OA (2023) | Sum of Number and Its Reverse
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curefit
2023
math
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17 hours ago
Padala Indira Bhavani
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DUNZO DIGITAL Off-Campus OA (2023) | Count Total Number of Colored Cells
0 Votes | 1 Reply
oa
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17 hours ago
Padala Indira Bhavani
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LEEGALITY Hiring | Detect Capital Problem | Off-Campus OA (2023)
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2023
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18 hours ago
Padala Indira Bhavani
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SIMPLILEARN Hiring On-Campus OA (2022) | Sum of All Odd Length Subarrays
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subarrays
18 hours ago
Padala Indira Bhavani
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LOCO Hiring | Count Digits That Divide a Number | On Campus OA(2022)
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19 hours ago
Padala Indira Bhavani
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Amazon SDE OA 2025 | AWS Server Channel Quality & Password Strength Evaluation
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2 days ago
Sahil Jain
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ByteDance SDE OA 2025 | Viral Trend Analyzer & Optimal Video Encoding Schedule
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2 days ago
Sahil Jain
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Airtel SDE OA 2025 | 5G Highway Coverage & Fiber Optic Grid Expansion
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2 days ago
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PayPal SDE OA 2025 | Suspicious Account Clusters & Optimal Settlement Batching
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STELLAPPS On-Campus OA (2021) | Problem Check if All A's Appear Before All B's
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2 days ago
Padala Indira Bhavani
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ACKO INSURANCE Hiring | Maximum Difference Between Increasing Elements | Off-Campus OA (2021)
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Padala Indira Bhavani
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LEARNBAY On-Campus OA (2025) | Problem Merge Strings Alternately
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Padala Indira Bhavani
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ZUDDL Hiring Off-Campus OA (2025) | Problem Find the Difference of Two Arrays (Distinct)
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Padala Indira Bhavani
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PEPPER CONTENT Off-Campus OA (2025) | Problem Reverse Vowels of a String
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peppercontent
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2 days ago
Padala Indira Bhavani
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PROPELLD Off-Campus OA (2024) | Problem Minimum Value to Get Positive Step-by-Step Sum
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Padala Indira Bhavani
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TRACXN Hiring Off-Campus OA (2024) | Problem: Find the K th Character in String Game I
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2 days ago
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SIGTUPLE Hiring On-Campus OA (2024) | Problem Percentage of Letter in String
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Padala Indira Bhavani
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VALUEBOUND Off-Campus OA (2023) | Problem Find the Power of K-Size Subarrays
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Padala Indira Bhavani
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CAPILLARY TECHNOLOGIES | Smallest Value of the Rearranged Number | On-Campus OA (2023)
0 Votes | 1 Reply
2023
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3 days ago
Padala Indira Bhavani
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ZOHO CORP Hiring On-Campus OA (2022) | Problem Sum of Digits in Base K
0 Votes | 1 Reply
math
2022
on-campus
oa
zoho
3 days ago
Padala Indira Bhavani
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0
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Databricks SDE OA 2025 | Petabyte Scale Dot Product & Spark Cluster Job Execution
0 Votes | 1 Reply
DP
TopologicalSort
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Databricks
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3 days ago
Sahil Jain
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OpenAI MTS OA 2026 | Transactional Key Value Store & Token Context Window Utilization
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Greedy
OpenAI
HashMap
Stack
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3 days ago
Sahil Jain
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CoinDCX SDE OA 2025 | Suspicious Transaction Ring & Smart Contract Ledger
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3 days ago
Sahil Jain
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MongoDB SDE OA 2025 | B-Tree Index Scan Intersection & MVCC Time Travel Store
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3 days ago
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Tower Research Capital SDE-1 OA 2025 | Arbitrage Detector & Limit Order Book Matching Engine
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3 days ago
Sahil Jain
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Uber SDE OA 2025 | Concatenated Multiples of K & Uber Surge Equilibrium
0 Votes | 1 Reply
XOR
HashMap
OA
PrefixSum
Uber
3 days ago
Sahil Jain
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0
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1
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Nvidia SDE OA 2025 | Semiconductor Signal Routing & Parallel Trace Routing
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BinarySearch
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3 days ago
Sahil Jain
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1
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Unacademy SDE OA 2024 | Educator Network & Gamification Target
0 Votes | 1 Reply
DP
Gree
HashMap
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Unacademy
3 days ago
Sahil Jain
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0
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1
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Jio SDE OA 2024 | Maximize Network Points & JioFiber Grid Routing
0 Votes | 1 Reply
Greedy
BFS
Jio
Stack
OA
3 days ago
Sahil Jain
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0
Votes
1
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CrowdStrike SDE-1 OA 2025 | Malicious Subnet Filtering & Bypassing the Firewall
0 Votes | 1 Reply
CrowdStrike
Strings
Graph
OA
Trie
3 days ago
Sahil Jain
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0
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1
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Dream11 SDE-1 OA 2025 | Fantasy Team Selection & Master Server Placement
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DP
Dream11
Knapsack
OA
Graph
3 days ago
Sahil Jain
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0
Votes
1
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MakeMyTrip SDE-1 OA 2025 | Holiday Flight Network & Deepest Itinerary Anchor
0 Votes | 1 Reply
DFS
MakeMyTrip
Tree
OA
Graph
3 days ago
Sahil Jain
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0
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Sprinklr SDE-1 OA 2025 | Viral Campaign & Stable Sentiment Window
0 Votes | 1 Reply
SlidingWindow
Sprinklr
BFS
OA
Queue
3 days ago
Sahil Jain
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0
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1
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Rapido SDE-1 OA 2024 | Maximize Captain Earnings & Bottleneck Traffic Routing
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DP
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OA
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3 days ago
Sahil Jain
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Postman SDE OA 2024 | API Request Rate Limiter & Lexicographically Smallest Endpoint
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Postman
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4 days ago
Sahil Jain
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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
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Approach For each rectangle: Compute the largest square side: min(length, width) Maintain: Largest side found s…
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