c/c++ 変数のサイズを表示する。(sizeof演算子)
#include <stdio.h> int main(void){ printf("char : %d\n", sizeof(char));
printf("short int : %d\n", sizeof(short int));
printf("int : %d\n", sizeof(int));
printf("long int : %d\n", sizeof(long int));
printf("float : %d\n", sizeof(float));
printf("double : %d\n", sizeof(double));
printf("long double : %d\n", sizeof(long double)); return 0; }