c++ 数据字节

#include <iostream>
using namespace std;

void main()
{
	cout << sizeof(char) << endl;
	cout << sizeof(unsigned char) << endl;
	cout << sizeof(signed char) << endl;
	cout << sizeof(int) << endl;
	cout << sizeof(unsigned int) << endl;
	cout << sizeof(signed int) << endl;
	cout << sizeof(float) << endl;
	cout << sizeof(double) << endl;
	cout << sizeof(long) << endl;
	cout << sizeof(long long) << endl;
	system("pause");
}

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转载自blog.csdn.net/qq_29996285/article/details/84206608