Master every Arrays & Strings pattern asked in Google, Meta, Amazon, Apple & Microsoft interviews. Covers prefix sum, Kadane, Dutch flag, two pointers, sliding window and 100 hand-picked problems with C, C++, Java, JavaScript & Python solutions.
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Understand approximate nearest neighbor algorithms: HNSW internals, IVFFlat trade-offs, quantization impact, and benchmarking strategies.
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Master recursion and backtracking for DSA interviews: 7 core patterns, time complexity analysis, pruning strategies, and top 30 problems.
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Master mathematical algorithms for DSA: primes, GCD, modular arithmetic, combinatorics, and fast exponentiation with 5-language implementations.
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