Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go east/west. Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, l-405 services l-5, and l-290 services l-90. Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also indicate if the (primary) highway runs north/south or east/west. Ex: If the input is: 90 the output is: I-90 is primary, going east/west. Ex: If the input is: 290 the output is: I-290 is auxiliary, serving I-90, going east/west. Ex: If the input is: or any number not between 1 and 999, the output is: 0 is not a valid interstate highway number.

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
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Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens
(like the 10 or 90) go east/west. Auxiliary highways are numbered 100-999, and service the primary highway
indicated by the rightmost two digits. Thus, l-405 services l-5, and l-290 services l-90.
Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary
highway it serves. Also indicate if the (primary) highway runs north/south or east/west.
Ex: If the input is:
90
the output is:
I-90 is primary, going east/west.
Ex: If the input is:
290
the output is:
I-290 is auxiliary, serving I-90, going east/west.
Ex: If the input is:
or any number not between 1 and 999, the output is:
0 is not a valid interstate highway number.
Transcribed Image Text:Primary U.S. interstate highways are numbered 1-99. Odd numbers (like the 5 or 95) go north/south, and evens (like the 10 or 90) go east/west. Auxiliary highways are numbered 100-999, and service the primary highway indicated by the rightmost two digits. Thus, l-405 services l-5, and l-290 services l-90. Given a highway number, indicate whether it is a primary or auxiliary highway. If auxiliary, indicate what primary highway it serves. Also indicate if the (primary) highway runs north/south or east/west. Ex: If the input is: 90 the output is: I-90 is primary, going east/west. Ex: If the input is: 290 the output is: I-290 is auxiliary, serving I-90, going east/west. Ex: If the input is: or any number not between 1 and 999, the output is: 0 is not a valid interstate highway number.
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