Write a function with signature uint64_t scanBase6(void) that reads a base-6 number from standard input and returns its value (decimal). Specifically, the function should use getchar() to read characters from standard input until the first non-digit character (or EOF) is encountered, interpreting the digits as part of a base-6 number. Being base-6, valid numbers will only use the digits 0 to 5. For example, the base-6 number 134 has a decimal value of 58, which can be computed as: 1 x 6² +3 x 6¹ + 4 × 6⁰ = 58 Thus, if the input is "134" (with a space after the number), the decimal value 58 should be returned. It is guaranteed in the test cases that: the first character in the input is a digit • only the digits 0 to 5 (inclusive) appear • there are at most 5 digits in the number Your answer may not call any of the following library functions: scanf(), fscanf(), sscanf(), strtol(), strtoll(), strtoq(), atoi (). For example: Input Result uint64_t y = scanBase6(); 134 space 58 printf("%lu\n", y); Test
Write a function with signature uint64_t scanBase6(void) that reads a base-6 number from standard input and returns its value (decimal). Specifically, the function should use getchar() to read characters from standard input until the first non-digit character (or EOF) is encountered, interpreting the digits as part of a base-6 number. Being base-6, valid numbers will only use the digits 0 to 5. For example, the base-6 number 134 has a decimal value of 58, which can be computed as: 1 x 6² +3 x 6¹ + 4 × 6⁰ = 58 Thus, if the input is "134" (with a space after the number), the decimal value 58 should be returned. It is guaranteed in the test cases that: the first character in the input is a digit • only the digits 0 to 5 (inclusive) appear • there are at most 5 digits in the number Your answer may not call any of the following library functions: scanf(), fscanf(), sscanf(), strtol(), strtoll(), strtoq(), atoi (). For example: Input Result uint64_t y = scanBase6(); 134 space 58 printf("%lu\n", y); Test
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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Question
![Write a function with signature
uint64_t scanBase6(void)
that reads a base-6 number from standard input and returns its value (decimal). Specifically, the function should use getchar() to read characters from standard input
until the first non-digit character (or EOF) is encountered, interpreting the digits as part of a base-6 number.
Being base-6, valid numbers will only use the digits 0 to 5. For example, the base-6 number 134 has a decimal value of 58, which can be computed as:
1 x 62 +3 x 6¹ + 4 x 6⁰ 58
Thus, if the input is "134" (with a space after the number), the decimal value 58 should be returned.
It is guaranteed in the test cases that:
the first character in the input is a digit
• only the digits 0 to 5 (inclusive) appear
• there are at most 5 digits in the number
Your answer may not call any of the following library functions: scanf(), fscanf(), sscanf(), strtol(), strtoll(), strtoq(), atoi ().
For example:
Input Result
uint64_t y = scanBase6(); 134 space 58
printf("%lu\n", y);
Test](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F00227d15-5396-4eb4-a646-05f9db428425%2F3b60f820-ea3c-41c9-b53c-88ae3145ed52%2F9ynee3q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Write a function with signature
uint64_t scanBase6(void)
that reads a base-6 number from standard input and returns its value (decimal). Specifically, the function should use getchar() to read characters from standard input
until the first non-digit character (or EOF) is encountered, interpreting the digits as part of a base-6 number.
Being base-6, valid numbers will only use the digits 0 to 5. For example, the base-6 number 134 has a decimal value of 58, which can be computed as:
1 x 62 +3 x 6¹ + 4 x 6⁰ 58
Thus, if the input is "134" (with a space after the number), the decimal value 58 should be returned.
It is guaranteed in the test cases that:
the first character in the input is a digit
• only the digits 0 to 5 (inclusive) appear
• there are at most 5 digits in the number
Your answer may not call any of the following library functions: scanf(), fscanf(), sscanf(), strtol(), strtoll(), strtoq(), atoi ().
For example:
Input Result
uint64_t y = scanBase6(); 134 space 58
printf("%lu\n", y);
Test
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