c++基本数据类型及其取值范围

 #include<iostream>
 #include<string>
 #include <limits>
 using namespace std;

 int main()
 {
     cout << "type: \t\t\t" << "************size**************" << endl;
     cout << "bool: \t\t\t" << "所占字节数：" << sizeof(bool);
     cout << "\t\t最大值：" << (numeric_limits<bool>::max)();
     cout << "\t\t\t\t\t\t\t最小值：" << (numeric_limits<bool>::min)() << endl;

     cout << "char: \t\t\t" << "所占字节数：" << sizeof(char);
     cout << "\t\t最大值：" << (numeric_limits<char>::max)();
     cout << "\t\t\t\t\t\t\t最小值：" << (numeric_limits<char>::min)() << endl;

     cout << "signed char: \t" << "所占字节数：" << sizeof(signed char);
     cout << "\t\t最大值：" << (numeric_limits<signed char>::max)();
     cout << "\t\t\t\t\t\t\t最小值：" << (numeric_limits<signed char>::min)() << endl;

     cout << "unsigned char: \t" << "所占字节数：" << sizeof(unsigned char);
     cout << "\t\t最大值：" << (numeric_limits<unsigned char>::max)();
     cout << "\t\t\t\t\t\t\t最小值：" << (numeric_limits<unsigned char>::min)() << endl;

     cout << "wchar_t: \t\t" << "所占字节数：" << sizeof(wchar_t);
     cout << "\t\t最大值：" << (numeric_limits<wchar_t>::max)();
     cout << "\t\t\t\t最小值：" << (numeric_limits<wchar_t>::min)() << endl;

     cout << "short: \t\t\t" << "所占字节数：" << sizeof(short);
     cout << "\t\t最大值：" << (numeric_limits<short>::max)();
     cout << "\t\t\t\t\t\t最小值：" << (numeric_limits<short>::min)() << endl;

     cout << "int: \t\t\t" << "所占字节数：" << sizeof(int);
     cout << "\t\t最大值：" << (numeric_limits<int>::max)();
     cout << "\t\t\t\t最小值：" << (numeric_limits<int>::min)() << endl;

     cout << "unsigned: \t\t" << "所占字节数：" << sizeof(unsigned);
     cout << "\t\t最大值：" << (numeric_limits<unsigned>::max)();
     cout << "\t\t\t\t最小值：" << (numeric_limits<unsigned>::min)() << endl;

     cout << "long: \t\t\t" << "所占字节数：" << sizeof(long);
     cout << "\t\t最大值：" << (numeric_limits<long>::max)();
     cout << "\t\t最小值：" << (numeric_limits<long>::min)() << endl;

     cout << "long long: \t\t" << "所占字节数：" << sizeof(long long);
     cout << "\t\t最大值：" << (numeric_limits<long long>::max)();
     cout << "\t\t最小值：" << (numeric_limits<long long>::min)() << endl;

     cout << "unsigned long: \t" << "所占字节数：" << sizeof(unsigned long);
     cout << "\t\t最大值：" << (numeric_limits<unsigned long>::max)();
     cout << "\t\t最小值：" << (numeric_limits<unsigned long>::min)() << endl;

     cout << "double: \t\t" << "所占字节数：" << sizeof(double);
     cout << "\t\t最大值：" << (numeric_limits<double>::max)();
     cout << "\t\t\t\t最小值：" << (numeric_limits<double>::min)() << endl;

     cout << "long double: \t" << "所占字节数：" << sizeof(long double);
     cout << "\t最大值：" << (numeric_limits<long double>::max)();
     cout << "\t\t\t\t最小值：" << (numeric_limits<long double>::min)() << endl;

     cout << "float: \t\t\t" << "所占字节数：" << sizeof(float);
     cout << "\t\t最大值：" << (numeric_limits<float>::max)();
     cout << "\t\t\t\t最小值：" << (numeric_limits<float>::min)() << endl;

     cout << "size_t: \t\t" << "所占字节数：" << sizeof(size_t);
     cout << "\t\t最大值：" << (numeric_limits<size_t>::max)();
     cout << "\t\t最小值：" << (numeric_limits<size_t>::min)() << endl;

     cout << "string: \t\t" << "所占字节数：" << sizeof(string) << endl;
     // << "\t最大值：" << (numeric_limits<string>::max)() << "\t最小值：" << (numeric_limits<string>::min)() << endl;
     cout << "\t\t\t\t" << "************size**************" << endl;
     return ;
 }

　---　参考自的博客kilen的博客。运行结果：