Encircular

Problem Overview

• Determine if a robot that repeats a command string (G, L, R) infinitely remains within a circle.
• Input: array of command strings (length 1–2500, n up to 10); Output: array of "YES"/"NO" per command.
• Context: simulate a mobile robot on an infinite plane starting at (0,0), moving forward or turning left/right.
• A classic coding interview problem from Goldman interviews; this interview question tests understanding of robot motion behavior.