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Each seven-digit phone number corresponds to many separate seven-letter words. Unfortunately, most of these represent unrecognizable juxtapositions of letters. It's possible, however, that the owner of a barber shop would be pleased to know that the shop's telephone number, 424-7288, corresponds to “HAIRCUT." The owner of a liquor store would, no doubt, be delighted to find that the store's telephone number, 233-7226, corresponds to "BEERCAN." A veterinarian with the phone number 738- 2273 would be pleased to know that the number corresponds to the letters "PETCARE." Write a C program that, given a seven-digit number, writes to a file every possible seven-letter word corresponding to that number. There are 2187 (3 to the seventh power) such words. Avoid phone numbers with the digits 0 and 1.

Each seven-digit phone number corresponds to many separate seven-letter words. Unfortunately, most of these represent unrecognizable juxtapositions of letters. It's possible, however, that the owner of a barber shop would be pleased to know that the shop's telephone number, 424-7288, corresponds to “HAIRCUT." The owner of a liquor store would, no doubt, be delighted to find that the store's telephone number, 233-7226, corresponds to "BEERCAN." A veterinarian with the phone number 738- 2273 would be pleased to know that the number corresponds to the letters "PETCARE." Write a C program that, given a seven-digit number, writes to a file every possible seven-letter word corresponding to that number. There are 2187 (3 to the seventh power) such words. Avoid phone numbers with the digits 0 and 1.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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2. Telephone-Number Word Generator (50) o Standard telephone keypads contain the digits 0-9. The numbers 2-9 each have three letters associated with them, as is indicated by the following table: Digit Letter Digit Letter 2 A B C 6. M N O DE F 7 PR S 4 GH I 8 TU V 5 J KL 9. W X Y o Many people find it difficult to memorize phone numbers, so they use the correspondence between digits and letters to develop seven-letter words that correspond to their phone numbers. o For example, a person whose telephone number is 686-2377 might use the correspondence indicated in the above table to develop the seven-letter word "NUMBERS." Businesses frequently attempt to get telephone numbers that are easy for their clients to remember. If a business can advertise a simple word for its customers to dial, then, no doubt, the business will receive a few more calls. Each seven-letter word corresponds to exactly one seven-digit telephone number. The restaurant wishing to increase its take-home business could surely do so with the number 825-3688 (i.e.,"TAKEOUT"). 3.
Transcribed Image Text:2. Telephone-Number Word Generator (50) o Standard telephone keypads contain the digits 0-9. The numbers 2-9 each have three letters associated with them, as is indicated by the following table: Digit Letter Digit Letter 2 A B C 6. M N O DE F 7 PR S 4 GH I 8 TU V 5 J KL 9. W X Y o Many people find it difficult to memorize phone numbers, so they use the correspondence between digits and letters to develop seven-letter words that correspond to their phone numbers. o For example, a person whose telephone number is 686-2377 might use the correspondence indicated in the above table to develop the seven-letter word "NUMBERS." Businesses frequently attempt to get telephone numbers that are easy for their clients to remember. If a business can advertise a simple word for its customers to dial, then, no doubt, the business will receive a few more calls. Each seven-letter word corresponds to exactly one seven-digit telephone number. The restaurant wishing to increase its take-home business could surely do so with the number 825-3688 (i.e.,"TAKEOUT"). 3.
Each seven-digit phone number corresponds to many separate seven-letter words. Unfortunately, most of these represent unrecognizable juxtapositions of letters. It's possible, however, that the owner of a barber shop would be pleased to know that the shop's telephone number, 424-7288, corresponds to "HAIRCUT." The owner of a liquor store would, no doubt, be delighted to find that the store's telephone number, 233-7226, corresponds to "BEERCAN." A veterinarian with the phone number 738- 2273 would be pleased to know that the number corresponds to the letters "PETCARE." Write a C program that, given a seven-digit number, writes to a file every possible seven-letter word corresponding to that number. o There are 2187 (3 to the seventh power) such words. Avoid phone numbers with the digits 0 and 1.
Transcribed Image Text:Each seven-digit phone number corresponds to many separate seven-letter words. Unfortunately, most of these represent unrecognizable juxtapositions of letters. It's possible, however, that the owner of a barber shop would be pleased to know that the shop's telephone number, 424-7288, corresponds to "HAIRCUT." The owner of a liquor store would, no doubt, be delighted to find that the store's telephone number, 233-7226, corresponds to "BEERCAN." A veterinarian with the phone number 738- 2273 would be pleased to know that the number corresponds to the letters "PETCARE." Write a C program that, given a seven-digit number, writes to a file every possible seven-letter word corresponding to that number. o There are 2187 (3 to the seventh power) such words. Avoid phone numbers with the digits 0 and 1.
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