Master Wiggle Sort II (LeetCode 324): 3-Way Partition & Virtual Indexing | Day 6 of 180

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Master Wiggle Sort II (LeetCode 324): 3-Way Partition & Virtual Indexing | Day 6 of 180

Follow our YouTube Channels:Trendy VS Vlogs: https://youtube.com/@trendyvsvlogs?si=Xd3L31p5zPXggomYWhatsApp Channel: https://whatsapp.com/channel/0029Vb9H4vC545v2HaoKk735 2. Pattern Recognition: Why Dutch National Flag Again? On Day 5, we solved Sort Colors by partitioning fixed values 0, 1, 2. In Wiggle Sort II: If we partition around the median element: This is the exact Dutch National Flag (3-Way Partition) pattern! The only change … Read more

Master Sort Colors (LeetCode 75): Dutch National Flag 3-Way Partition | Day 5 of 180

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Master Sort Colors (LeetCode 75): Dutch National Flag 3-Way Partition | Day 5 of 180

2. Pattern Recognition: Why Dutch National Flag? In standard two-pointer partitioning (such as in QuickSort), you partition elements into two categories: smaller than pivot and greater than pivot. However, when a problem involves exactly three distinct categories (like 0, 1, 2, negative/zero/positive, or < pivot, == pivot, > pivot), a 2-way split requires multiple passes. … Read more

Master Remove Duplicates from Sorted Array (LeetCode 26): In-Place O(1) Solution | Day 4 of 180

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Master Remove Duplicates from Sorted Array (LeetCode 26): In-Place O(1) Solution | Day 4 of 180

2. Pattern Recognition: The Slow-Fast Pointer Why does the two-pointer technique fit this challenge so well? The two pointers take on distinct duties: 3. Algorithmic Approaches Approach 1: Extra Set / Buffer (Invalid) Approach 2: Optimal Slow-Fast Scan (MNC Standard) Plaintext 4. Production-Ready Code Implementations Java Solution Java Python 3 Solution Python C++ Solution C++ … Read more

Master Move Zeroes (LeetCode 283) in a Single Pass: In-Place Two-Pointer Trick | Day 3 of 180

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Master Move Zeroes (LeetCode 283) in a Single Pass: In-Place Two-Pointer Trick | Day 3 of 180

Plaintext 2. Pattern Recognition: The Reader-Writer Pattern In Days 1 and 2, we used opposite-direction two pointers (inward scan). Day 3 introduces the same-direction two-pointer pattern (often called Fast & Slow or Reader & Writer). Spot this pattern whenever: The strategy assigns two distinct roles: 3. Algorithmic Approaches Approach 1: Extra Array Buffer (Suboptimal) Approach … Read more

Master 3Sum (LeetCode 15) using Two Pointers: Avoid Duplicate Traps | Day 2 of 180

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Master 3Sum (LeetCode 15) using Two Pointers: Avoid Duplicate Traps | Day 2 of 180

Plaintext 2. Pattern Recognition: Why Reduce to Two Pointers? 3Sum is the natural extension of Day 1’s Two Sum II: 3. Algorithmic Approaches Approach 1: Brute Force (Fails) Approach 2: Hash Set Lookups (Suboptimal) Approach 3: Sort + Two Pointers (Optimal MNC Standard) Plaintext 4. Production-Ready Code Implementations Java Solution Java Python 3 Solution Python … Read more

Master the Two-Pointer Technique: LeetCode 167 (Two Sum II) Explained | Day 1 of 180

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Master the Two-Pointer Technique: LeetCode 167 (Two Sum II) Explained | Day 1 of 180

Plaintext 2. Pattern Recognition: Why Two Pointers? In technical interviews, use this 30-second checklist to spot when the Opposite-Direction Two-Pointer technique applies: 3. Algorithmic Approaches Approach 1: Brute Force (Suboptimal) Approach 2: Binary Search (Suboptimal) Approach 3: Optimal Two Pointers (The MNC Standard) Plaintext 4. Production-Ready Code Implementations Java Solution Java Python 3 Solution Python … Read more

BTS Technologies Walk-In Drive 2026: Senior Automation Engineers (Playwright) | Chennai

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BTS Technologies Walk-In Drive 2026: Senior Automation Engineers (Playwright) | Chennai

Introduction: Fast-Track Your QA Career with BTS Technologies BTS Technologies is organizing a massive On-Site Walk-In Interview Drive in Chennai for experienced Senior Automation Engineers. With a total of 8 open positions across two distinct technical tracks, this hiring event offers competitive packages up to ₹20 LPA for candidates who can join immediately or within … Read more

QA & Automation & Infrastructure Roles

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QA Automation & Infrastructure Roles

Attention QA and Automation Engineers! We have compiled a list of open positions spanning web, cloud, AI, and embedded testing. Check out the details below: Automation & QA Engineering: Specialized Testing (AI, Embedded, Banking): Infrastructure, Cloud & AI Automation: QA & Automation & Infrastructure Roles qa automation engineer jobs india, playwright selenium tester jobs, ai … Read more

Societe Generale Recruitment 2026: Analyst (Trade Finance & French Language) | Chennai

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Societe Generale Recruitment 2026: Analyst (Trade Finance & French Language) | Chennai

Introduction: Start Your Global Banking Career at Societe Generale Societe Generale, one of Europe’s leading financial services groups, is conducting a major off-campus hiring drive for the position of Analyst (Reference: 26000428) at its Chennai global solution center. This is a highly specialized, permanent role combining international banking operations with foreign language skills. This opportunity … Read more

Sapiens Recruitment 2026: Senior Business Analyst (Life & Annuities) | Remote United States

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Sapiens Recruitment 2026: Senior Business Analyst (Life & Annuities) | Remote United States

Introduction: Drive Digital Transformation in Life Insurance at Sapiens Sapiens, a global leader in insurance software solutions, is actively hiring a Senior Business Analyst to join its Life US team. This is a permanent, 100% remote position based anywhere in the United States. If you have deep domain expertise in Life & Annuities (L&A) insurance … Read more