AI Coding & CSE Fundamentals

Calculate sum of two integers taken as input 💻 Code:

#include <stdio.h>

int main() {
    int num1, num2, sum;

    printf("Enter the first integer: ");
    scanf("%d", &num1);

    printf("Enter the second integer: ");
    scanf("%d", &num2);

    sum = num1 + num2;

    printf("Sum: %dn", sum);

    return 0;
}

💡 Approach Step 1: Declare three integer variables: num1, num2, and sum. num1 and num2 will store the input numbers, and sum will store their sum. Step 2: Prompt the user to enter the first integer. Step 3: Read the first integer from the user and store it in the num1 variable using scanf. Step 4: Prompt the user to enter the second integer. Step 5: Read the second integer from the user and store it in the num2 variable using scanf. Step 6: Calculate the sum of num1 and num2 and store the result in the sum variable. Step 7: Print the value of sum to the console, displaying the sum of the two integers. ───────────────────────────── Have you Understood? Drop a reaction: ❤️ Understood | 👎 Not Understood

📝 Calculate sum of two integers taken as input Write a C program that takes two integer numbers as input from the user. The program should then calculate the sum of these two integers and print the result to the console.

{programTitle} 💻 Code: #include <stdio.h> int main() { int num1, num2, sum; printf("Enter the first integer: "); scanf("%d", &num1); printf("Enter the second integer: "); scanf("%d", &num2); sum = num1 + num2; printf("The sum of %d and %d is: %d\n", num1, num2, sum); return 0; }

💡 Approach Here's a straightforward approach for calculating the sum of two integers in C: Step 1: Declare three integer variables: num1, num2, and sum. num1 and num2 will store the input numbers, and sum will hold their sum. Step 2: Prompt the user to enter the first integer using printf. Step 3: Read the first integer from the user and store it in the num1 variable using scanf. Step 4: Prompt the user to enter the second integer using printf. Step 5: Read the second integer from the user and store it in the num2 variable using scanf. Step 6: Calculate the sum of num1 and num2 and store the result in the sum variable: sum = num1 + num2; Step 7: Display the calculated sum to the user using printf. ───────────────────────────── Have you Understood? Drop a reaction: ❤️ Understood | 👎 Not Understood

📝 Calculate sum of two integers taken as input Write a C program that takes two integers as input from the user. Calculate the sum of these two integers and display the result to the console.

💻 Code:

#include <stdio.h>

int main() {
    float userInput;

    printf("Enter a float number: ");
    scanf("%f", &userInput);

    printf("You entered: %fn", userInput);

    return 0;
}

💡 Approach Step 1: Include the standard input/output library. (This provides functions like printf and scanf). Step 2: Declare a float variable to store the user's input. (This variable will hold the float value). Step 3: Prompt the user to enter a float number using printf. (This tells the user what to do). Step 4: Read the float input from the user using scanf and store it in the declared float variable. (Use the correct format specifier %f for float). Step 5: Display the stored float value back to the user using printf. (Again, use the correct format specifier %f for float). Step 6: Return 0 from the main function. (Indicates successful program execution). ───────────────────────────── Have you Understood? Drop a reaction: ❤️ Understood | 👎 Not Understood

📝 Get float input from the user and display it Write a C program that prompts the user to enter a floating-point number. The program should then read the input from the user and display the entered floating-point number to the console with appropriate formatting.

💻 Code:

#include <stdio.h>

int main() {
    int userInput;

    printf("Enter an integer: ");
    scanf("%d", &userInput);

    printf("You entered: %dn", userInput);

    return 0;
}

💡 Approach Step 1: Include the standard input/output library: This provides functions like printf (for output) and scanf (for input). Step 2: Declare an integer variable: This variable will store the integer value entered by the user. Step 3: Prompt the user for input: Display a message on the screen asking the user to enter an integer. Step 4: Read the integer input using scanf: Use scanf to read the integer entered by the user and store it in the declared integer variable. Step 5: Display the entered integer using printf: Use printf to display the value stored in the integer variable back to the user, confirming their input. Step 6: Return 0 from the main function: This indicates successful execution of the program. ───────────────────────────── Have you Understood? Drop a reaction: ❤️ Understood | 👎 Not Understood

📝 Get integer input from the user and display it Write a C program that prompts the user to enter an integer. After the user inputs an integer, the program should then display the entered integer back to the user on the console.

💻 Code:

#include <stdio.h>

int main() {
    printf("Your Name: John Doen");
    printf("Street Address: 123 Main Streetn");
    printf("City: Anytownn");
    printf("State: CAn");
    printf("Zip Code: 91234n");
    return 0;
}

💡 Approach Step 1: Include the standard input/output library. This library contains functions like printf that we will use to print to the console. Step 2: Create the main function. This is the entry point of your C program. Step 3: Use printf statements to display your name and address. Each piece of information (name, street, city, etc.) can be on a new line for readability. Step 4: Return 0 from the main function to indicate successful execution of the program. ───────────────────────────── Have you Understood? Drop a reaction: ❤️ Understood | 👎 Not Understood

📝 Print your own name and address Write a C program that prints your full name and address to the console. The output should be formatted in a readable manner, with your name on the first line, followed by your street address, city, state, and zip code each on subsequent lines.

💻 Code:

#include <stdio.h>

int main() {
    printf("Hello, World!n");
    return 0;
}

💡 Approach Step 1: Include the standard input/output library: This provides functions for printing text to the console. We do this using #include <stdio.h>. Step 2: Define the main function: The main function is the entry point of every C program. It's where the program begins execution. Start it with int main() {. Step 3: Print "Hello, World!" to the console: Use the printf function to display the text. printf("Hello, World!\n"); will print the message, and \n adds a newline character to move the cursor to the next line. Step 4: Return 0 from the main function: This indicates that the program executed successfully. Add return 0; before closing the main function. Step 5: Close the main function: Add a closing curly brace } to end the main function. ───────────────────────────── Have you Understood? Drop a reaction: ❤️ Understood | 👎 Not Understood

📝 Hello World program Write a C program that prints the phrase "Hello, World!" to the console. This exercise serves as a fundamental introduction to C syntax and the standard output function printf.

📚 Basic Syntax & Input/Output

💻 Code:

#include <stdio.h>

int main() {
  printf("Hello, World!n");
  return 0;
}