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Find the error in the following code and explain how it can be removed? #include int main(void) { int n= 9, div = 0; div = n/0; printf("result = %d", div); %3D

Find the error in the following code and explain how it can be removed? #include int main(void) { int n= 9, div = 0; div = n/0; printf("result = %d", div); %3D

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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### Find the Error in the Code and Solution: The following C code contains an error. Your task is to identify the error and explain how it can be fixed. ```c #include<stdio.h> int main(void) { int n = 9, div = 0; div = n/0; printf("result = %d", div); } ``` #### Explanation: 1. **Error Detected**: The line `div = n/0;` attempts to divide the integer `n` by zero, which is undefined in mathematics and illegal in programming. This operation will cause a runtime error in C. 2. **Solution**: To fix the error, ensure the divisor is not zero. Here’s how you can handle it: ```c #include<stdio.h> int main(void) { int n = 9, div = 0; if (n != 0) { div = n / 1; // use a valid divisor } else { printf("Cannot divide by zero."); return 1; // exit the program indicating an error } printf("result = %d", div); return 0; // successful execution } ``` In the corrected code, we replace zero with a valid divisor, or alternatively, add error handling to inform the user and prevent a division by zero. #### Key Concepts: - **Division by Zero**: An illegal operation in most programming languages, including C. - **Error Handling**: Always check for zero before performing division to avoid runtime errors.
Transcribed Image Text:### Find the Error in the Code and Solution: The following C code contains an error. Your task is to identify the error and explain how it can be fixed. ```c #include<stdio.h> int main(void) { int n = 9, div = 0; div = n/0; printf("result = %d", div); } ``` #### Explanation: 1. **Error Detected**: The line `div = n/0;` attempts to divide the integer `n` by zero, which is undefined in mathematics and illegal in programming. This operation will cause a runtime error in C. 2. **Solution**: To fix the error, ensure the divisor is not zero. Here’s how you can handle it: ```c #include<stdio.h> int main(void) { int n = 9, div = 0; if (n != 0) { div = n / 1; // use a valid divisor } else { printf("Cannot divide by zero."); return 1; // exit the program indicating an error } printf("result = %d", div); return 0; // successful execution } ``` In the corrected code, we replace zero with a valid divisor, or alternatively, add error handling to inform the user and prevent a division by zero. #### Key Concepts: - **Division by Zero**: An illegal operation in most programming languages, including C. - **Error Handling**: Always check for zero before performing division to avoid runtime errors.
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