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Partition Array Into 3 Parts With Equal Sum [Easy] — Three-Pointer
Check if an array can be split into three consecutive parts with equal sum using a greedy counting approach.
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Trapping Rain Water [Hard] — Two Pointer Classic
Calculate trapped rainwater using optimal two-pointer approach that tracks left and right maximums without extra space.
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Two Pointers & Sliding Window — Master Cheatsheet (Problems 101–160)
Complete cheatsheet of Two Pointers and Sliding Window patterns with template code, problem index, and MAANG priority list.
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The 12-Factor App in 2026 — Revisiting Cloud-Native Best Practices
The 12-Factor App methodology remains relevant in 2026. Review each principle with modern interpretations for Kubernetes, multi-cloud, and monorepos.
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Google''s A2A Protocol — How AI Agents Talk to Each Other in Production
Explore Google''s Agent-to-Agent (A2A) protocol for production multi-agent systems. Learn agent cards, task lifecycles, and how to orchestrate multiple AI agents at scale.
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