#include <stdio.h>
// float %f : 입력 %f : 출력
// double %lf : 입력 %f : 출력
int main(void)
{
    char num1=1, num2=2, result1=0; // 1byte
    short num3=300, num4=400, result2=0; // 2byte

    printf("sizeof num1 & num2: %d, %d\n",sizeof(num1), sizeof(num2));
    printf("sizeof num3 & num4: %d, %d\n",sizeof(num3), sizeof(num4));
    
    printf("sizeof char add:%d\n",sizeof(num1+num2)); // (int)4byte
    printf("sizeof char add:%d\n",sizeof(num3+num4)); // 4byte

    result1=num1+num2;
    result2=num3+num4;
    printf("sizeof result1 & result2: %d, %d\n", sizeof(result1), sizeof(result2));

    return 0;
}