GFG | Josephus Problem | Easy Circular Elimination Approach

Josephus Problem | Recurrence + Iterative Optimization Explained | GFG POTD 24 Jan 2026

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All about Josephus problem | Algorithm Explained | City Coder

Jerusalem was starving, tearing itself apart, and under siege. ⚔️ In The War of the Jews, Book 1, Chapter 18, Josephus records the brutal fall of the city to Herod and the Roman general Sosius. For five months, the defenders held out. They raised new walls as fast as the Romans destroyed the old ones and tunneled beneath the earth to refuse open battle. But when the walls were finally breached, Roman centurions poured in. Driven by the rage of a long siege, they slaughtered without distinction.