#include <stdio.h>

int main(void) {
    int intType;
    float floatType;
    double doubleType;
    char charType;
    printf("The memory space of int datatype is %zu byte. \n", sizeof(intType));
    printf("The memory space of float datatype is %zu byte. \n", sizeof(floatType));
    printf("The memory space of double datatype is %zu byte. \n", sizeof(doubleType));
    printf("The memory space of char datatype is %zu byte. \n", sizeof(charType));
    return 0;
}