C Programming

#include <stdio.h>

int main() {
    // Basic data types
    char letter = 'A';
    int age = 25;
    float height = 5.9;
    double pi = 3.141592653589793;
    
    // Modified data types
    unsigned int positive_number = 4000000000U;
    long long big_number = 9223372036854775807LL;
    short small_number = 32767;
    
    // Print values
    printf("Character: %c\n", letter);
    printf("Integer: %d\n", age);
    printf("Float: %.2f\n", height);
    printf("Double: %.15lf\n", pi);
    printf("Unsigned int: %u\n", positive_number);
    printf("Long long: %lld\n", big_number);
    printf("Short: %hd\n", small_number);
    
    // Size of data types
    printf("\nSize of data types:\n");
    printf("char: %zu bytes\n", sizeof(char));
    printf("int: %zu bytes\n", sizeof(int));
    printf("float: %zu bytes\n", sizeof(float));
    printf("double: %zu bytes\n", sizeof(double));
    
    return 0;
}