[problem]C++各种类型

刷LeetCode的时候经常要解决越界的问题，比如INT_MIN取绝对值就越界了，所以知道没种类型的最小值及最大值很有必要。

long和int一般都是4字节，但是long在32位系统和64位系统不同，但我自己电脑64位win 8.1测试还是4个字节，可能和VS的设置也有关系。

所以解决越界问题用long long代替int就OK了。

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

int main()
{
    cout << "type: 		" << "************size**************"<< endl;
    cout << "bool: 		" << "所占字节数：" << sizeof(bool);
    cout << "	最大值：" << (numeric_limits<bool>::max)();
    cout << "		最小值：" << (numeric_limits<bool>::min)() << endl;
    cout << "char: 		" << "所占字节数：" << sizeof(char);
    cout << "	最大值：" << (numeric_limits<char>::max)();
    cout << "		最小值：" << (numeric_limits<char>::min)() << endl;
    cout << "signed char: 	" << "所占字节数：" << sizeof(signed char);
    cout << "	最大值：" << (numeric_limits<signed char>::max)();
    cout << "		最小值：" << (numeric_limits<signed char>::min)() << endl;
    cout << "unsigned char: 	" << "所占字节数：" << sizeof(unsigned char);
    cout << "	最大值：" << (numeric_limits<unsigned char>::max)();
    cout << "		最小值：" << (numeric_limits<unsigned char>::min)() << endl;
    cout << "wchar_t: 	" << "所占字节数：" << sizeof(wchar_t);
    cout << "	最大值：" << (numeric_limits<wchar_t>::max)();
    cout << "		最小值：" << (numeric_limits<wchar_t>::min)() << endl;
    cout << "short: 		" << "所占字节数：" << sizeof(short);
    cout << "	最大值：" << (numeric_limits<short>::max)();
    cout << "		最小值：" << (numeric_limits<short>::min)() << endl;
    cout << "int: 		" << "所占字节数：" << sizeof(int);
    cout << "	最大值：" << (numeric_limits<int>::max)();
    cout << "	最小值：" << (numeric_limits<int>::min)() << endl;
    cout << "unsigned: 	" << "所占字节数：" << sizeof(unsigned);
    cout << "	最大值：" << (numeric_limits<unsigned>::max)();
    cout << "	最小值：" << (numeric_limits<unsigned>::min)() << endl;
    cout << "long: 		" << "所占字节数：" << sizeof(long);
    cout << "	最大值：" << (numeric_limits<long>::max)();
    cout << "	最小值：" << (numeric_limits<long>::min)() << endl;
    cout << "unsigned long: 	" << "所占字节数：" << sizeof(unsigned long);
    cout << "	最大值：" << (numeric_limits<unsigned long>::max)();
    cout << "	最小值：" << (numeric_limits<unsigned long>::min)() << endl;
    cout << "double: 	" << "所占字节数：" << sizeof(double);
    cout << "	最大值：" << (numeric_limits<double>::max)();
    cout << "	最小值：" << (numeric_limits<double>::min)() << endl;
    cout << "long double: 	" << "所占字节数：" << sizeof(long double);
    cout << "	最大值：" << (numeric_limits<long double>::max)();
    cout << "	最小值：" << (numeric_limits<long double>::min)() << endl;
    cout << "float: 		" << "所占字节数：" << sizeof(float);
    cout << "	最大值：" << (numeric_limits<float>::max)();
    cout << "	最小值：" << (numeric_limits<float>::min)() << endl;
    cout << "size_t: 	" << "所占字节数：" << sizeof(size_t);
    cout << "	最大值：" << (numeric_limits<size_t>::max)();
    cout << "	最小值：" << (numeric_limits<size_t>::min)() << endl;
    cout << "string: 	" << "所占字节数：" << sizeof(string) << endl;
    cout << "type: 		" << "************size**************"<< endl;
    return 0;
}