想要用c++编写一个程序，输出一些基本数据类型，该怎么办？

Question

用c++编写一个程序，输出基本数据类型char, short, int, long, float, double的数据类型的长度。

Answer 1

#include<iostream>using namespace std;int main(){cout<<sizeof(int)<<" "<<sizeof(short)<<" "<<sizeof(char)<<" "<<sizeof(long)<<" "<<sizeof(float)<<<<sizeof(double)<<"endl;return 0;}是这个意思吗

Answer 2

1#include&nbsp;"stdio.h"int&nbsp;main(){&nbsp;&nbsp;&nbsp;&nbsp;printf("char有%d字节\n",sizeof(char));&nbsp;&nbsp;&nbsp;printf("short有%d字节\n",sizeof(short));&nbsp;&nbsp;&nbsp;&nbsp;printf("int有%d字节\n",sizeof(int));&nbsp;&nbsp;&nbsp;&nbsp;printf("long有%d字节\n",sizeof(long));&nbsp;&nbsp;&nbsp;&nbsp;printf("long&nbsp;long有%d字节\n",sizeof(_int64));&nbsp;&nbsp;&nbsp;&nbsp;printf("float有%d字节\n",sizeof(float));&nbsp;&nbsp;&nbsp;&nbsp;printf("double有%d字节\n",sizeof(double));&nbsp;&nbsp;&nbsp;&nbsp;printf("long&nbsp;double有%d字节\n",sizeof(long&nbsp;double));&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;0;}1