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C++ Programming Tutorials - Basic Arithmetic Video Lecture | Learn to Program with C++: Beginner to Expert - Back-End Programming
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FAQs on C++ Programming Tutorials - Basic Arithmetic Video Lecture - Learn to Program with C++: Beginner to Expert - Back-End Programming
| 1. What is back-end programming? |  |
| 2. How can I perform basic arithmetic operations in C programming? | |
Ans. To perform basic arithmetic operations in C programming, you can use the following operators:
- Addition: Use the '+' operator.
- Subtraction: Use the '-' operator.
- Multiplication: Use the '*' operator.
- Division: Use the '/' operator.
- Modulo (remainder): Use the '%' operator.
You can combine these operators with variables, constants, or expressions to perform arithmetic calculations in your C programs.
| 3. How can I handle division by zero in C programming? | |
Ans. Division by zero is not allowed in C programming and can lead to undefined behavior or program crashes. To handle division by zero, you can use conditional statements to check if the divisor is zero before performing the division operation. If the divisor is zero, you can display an error message or handle the situation according to your program's requirements. Here's an example:
```c
int dividend = 10;
int divisor = 0;
int result;
if (divisor != 0) {
result = dividend / divisor;
} else {
printf("Error: Division by zero is not allowed.\n");
}
```
| 4. How can I handle overflow or underflow in arithmetic operations in C programming? | |
Ans. Overflow occurs when the result of an arithmetic operation exceeds the maximum value that can be represented by the data type used. Underflow, on the other hand, occurs when the result is smaller than the minimum value that can be represented. To handle overflow or underflow, you can use data type limits and check the range of values before performing the arithmetic operation. Here's an example:
```c
int a = 2147483647; // Maximum value for a 32-bit signed integer
int b = 1;
int result;
if (a > INT_MAX - b) {
printf("Error: Overflow occurred.\n");
} else {
result = a + b;
printf("Result: %d\n", result);
}
```
| 5. How can I round the result of a division operation in C programming? | |
Ans. To round the result of a division operation in C programming, you can use the `round()` function from the math library. This function rounds a floating-point number to the nearest integer value. Here's an example:
```c
#include <stdio.h>
#include <math.h>
int main() {
float dividend = 10.0;
float divisor = 3.0;
float result = dividend / divisor;
int rounded_result = round(result);
printf("Result: %f\n", result);
printf("Rounded Result: %d\n", rounded_result);
return 0;
}
```
In this example, the `round()` function is used to round the division result to the nearest integer value. The rounded result is then printed to the console.
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Apr 09, 2025
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