#include <stdio.h>

typedef struct {
    int numerator, denominator;
    double value;
} ratio_s;

int main(){
    printf("size of two ints: %zu\n", 2*sizeof(int));
    printf("size of two ints: %zu\n", sizeof(int[2]));
    printf("size of a double: %zu\n", sizeof(double));
    printf("size of a ratio_s struct: %zu\n", sizeof(ratio_s));
}