第2章数据类型与表达式 例21检测基本数据类型所占的字节数 include <iostream. h void maino cout <<int: < sizeof(int)<< endl cout <<"short: < sizeof(short)<< endl cout <<"long: < sizeof (long )<< endl cout <<"float: < sizeof(float)<< endl cout < double: < sizeof(double)<< endl cout < long double: < sizeof(long double)<< endl; H cout <<"char: < sizeof(char)<< endl cout <<" bool: < sizeof(bool)<< endl 返回例2.1 检测基本数据类型所占的字节数 #include <iostream.h> void main() { cout << "int: " << sizeof(int) << endl; cout << "short: " << sizeof(short) << endl; cout << "long: " << sizeof(long) << endl; cout << "float: " << sizeof(float) << endl; cout << "double: " << sizeof(double) << endl; cout << "long double: " << sizeof(long double) << endl; cout << "char: " << sizeof(char) << endl; cout << "bool: " << sizeof(bool) << endl; } 返 回 第2章 数据类型与表达式