Answered: Write a C code to take input from text…

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 C code to take input from text file and then do and update the multiplication
operation between consecutive inputs. Must use pointer type implementation. Take at
least 10 inputs from your input file. Your output file must follow the format below:
Sample Input and output format:
Input.txt:
123 45
Output.txt:
1
2
6
24

120

Expert Solution

Step 1: Algorithm

Start
Create 2 files first input.txt with inputs and second output.txt
Create file pointers "infile" and "outfile"
Open "input.txt" file in read 'r' mode
Open "output.txt" file in write 'w' mode
Check file pointers "infile" and "outfile" are equal to NULL .If either of them is NULL then print error message and return 1.
Display input from input.txt file.
Perform multiplication operation the between consecutive inputs of input.txt file and store result to output.txt file
Close output.txt file which is pointed by "outfile"
Again open output.txt file in read 'r' mode
Display contents from output.txt file
Close output.txt file and input.txt file
End

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