#本题需运用取字节运算符:sizeof(数据类型);
#include<iostream> using namespace std; int main() { char a; int b; long c; double d; cout<<sizeof(a)<<endl<<sizeof(b)<<endl<<sizeof(c)<<endl<<sizeof(d); return 0; }
#include<iostream> using namespace std; int main() { char a; int b; long c; double d; cout<<sizeof(a)<<endl<<sizeof(b)<<endl<<sizeof(c)<<endl<<sizeof(d); return 0; }