Bitwise Optimisation for Finding the Last Number
Nov 4, 2025 · 3 min read · 🧩 Problem Recap You’re given a hidden permutation in Equation 1. $$p = [p_1, p_2, \dots, p_n] \qquad (1)$$You can’t directly access the nth value and can only query using the following instruction, where the inequalities Equations 2 and 3 apply. $$?...
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