1What is the output of the following program?
#include <stdio.h>
int main(){
int a = 10;
double b;
size_t x = sizeof (++a-b) / sizeof(double);
size_t y = sizeof (++a-b) / sizeof(int);
if (x>y) printf("longer");
else printf("shorter");
printf(" %d",a);
return 0;
}