I apologize for these questions but I have fallen desperately behind my class and can't seem to understand some of these and feel to embarrassed to ask for help there! :confused:


How would I write this basic C program?
Using the sizeof(<variable or type>) function and the print function, write a program that displays the size of several variable types.

int
char
float
double
An integer array with 3 elements
a character array with 4 elements
a float array with5 elements
a double array with 6 elements

Could you please explain this to me?

this is what I got

#include <stdio.h>
int main(void){
int size_of_int = sizeof(int);
int = [3];
int size_of_float = sizeof(float);
float = [5];
int size_of_char = sizeof(char);
char = [4];
int size_of_double = sizeof(double);
double = [6];
printf = ("%d"size_of_int, size_of_float, size_of_char, size_of_double);
}

Try this code:
The answer is the number of bytes for 32bit system (16bit and 64bit will be different)

int main(void)
{
int size_of_int = sizeof(int);
int inum[3];
int size_of_float = sizeof(float);
float fnum[5];
int size_of_char = sizeof(char);
char letter[4];
int size_of_double = sizeof(double);
double dnum[6];

printf("\n%d",size_of_int);
printf("\n%d",size_of_float);
printf("\n%d",size_of_char);
printf("\n%d",size_of_double);
printf("\n%d",sizeof(inum));
printf("\n%d",sizeof(fnum));
printf("\n%d",sizeof(letter));
printf("\n%d",sizeof(dnum));
}