#include<stdio.h>
int main()
{
    printf("char 类型变量占用 %d 个字节\n", sizeof(char));
    printf("unsigned char 类型变量占用 %d 个字节\n", sizeof(unsigned char));
    printf("short 类型变量占用 %d 个字节\n", sizeof(short));
    printf("unsigned int 类型变量占用 %d 个字节\n", sizeof(unsigned int));
    printf("int 类型变量占用 %d 个字节\n", sizeof(int));
    printf("long 类型变量占用 %d 个字节\n", sizeof(long));
    printf("long long 类型变量占用 %d 个字节\n", sizeof(long long));
    printf("float 类型变量占用 %d 个字节\n", sizeof(float));
    printf("double 类型变量占用 %d 个字节\n", sizeof(double));
    printf("long double 类型变量占用 %d 个字节\n", sizeof(long double));
    return 0;
}