How we assign value for int in this code

Question

#include <stdio.h>

int main() {
printf("int: %ld \n", sizeof(int));
printf("float: %ld \n", sizeof(float));
printf("double: %ld \n", sizeof(double));
printf("char: %ld \n", sizeof(char));

return 0;
}

Answer 1

There's no variable can be assigned in this code.