When the robot reaches the gray square, it turns around and faces the bottom of the grid. Which of the following changes, if any, should be made to the code segment to move the robot back to its original position in the bottom-left square of the grid and facing toward the bottom of the grid? A) Interchange the ROTATE_RIGHT and the ROTATE_LEFT blocks. B) Replace ROTATE_RIGHT with ROTATE_LEFT. c) Replace ROTATE_LEFT with ROTATE_RIGHT. D) No change is needed; the algorithm is correct as is.
When the robot reaches the gray square, it turns around and faces the bottom of the grid. Which of the following changes, if any, should be made to the code segment to move the robot back to its original position in the bottom-left square of the grid and facing toward the bottom of the grid? A) Interchange the ROTATE_RIGHT and the ROTATE_LEFT blocks. B) Replace ROTATE_RIGHT with ROTATE_LEFT. c) Replace ROTATE_LEFT with ROTATE_RIGHT. D) No change is needed; the algorithm is correct as is.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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