hello.c

#include <stdio.h> // Include standard input/output header

int main() {
    char name[50]; // Declare an array of chars to store the name
    int age; // Declare an integer to store the age

    printf("Enter your name: "); // Prompt the user to enter their name
    scanf("%49[^\n]", name); // Read a string from the user input including spaces
    getchar(); // Consume the newline character to avoid issues with subsequent inputs

    printf("Enter your age: "); // Prompt the user to enter their age
    scanf("%d", &age); // Read an integer from the user input

    printf("Hello, %s!\n", name); // Print greeting message with the name

    // Use if statement to give feedback about the age
    if (age < 18) {
        printf("You are a minor.\n");
    } else if (age >= 18 && age < 65) {
        printf("You are an adult.\n");
    } else {
        printf("You are a senior.\n");
    }

    // Example of a switch case based on age group
    switch (age / 10) {
        case 0: 
        case 1: 
            printf("You are a child or a teenager.\n");
            break;
        case 2: 
        case 3: 
        case 4:
            printf("You are in your youth or middle-aged.\n");
            break;
        default:
            printf("You are in your golden years.\n");
            break;
    }

    // Example of a for loop that prints numbers from 1 to age
    printf("Counting from 1 to your age:\n");
    for (int i = 1; i <= age; i++) {
        printf("%d ", i);
        if (i % 10 == 0) // Print a newline every 10 numbers
            printf("\n");
    }
    printf("\n");

    return 0; // Return 0 to indicate the program finished successfully
}