C/C++中各种类型int、long long、double表示范围(最大最小值)
#include<iostream>
#include<string>
#include <limits>
using namespace std;
int main()
{
cout << "type: " << "************size**************"<< endl;
cout << "short: " << "字节数:" << sizeof(short) <<endl;
cout << "最大值:" << (numeric_limits<short>::max)();
cout << " 最小值:" << (numeric_limits<short>::min)() << endl;
cout << "int: " << "字节数:" << sizeof(int) <<endl;
cout << "最大值:" << (numeric_limits<int>::max)();
cout << " 最小值:" << (numeric_limits<int>::min)() << endl;
cout << "unsigned: " << "字节数:" << sizeof(unsigned) <<endl;
cout << "最大值:" << (numeric_limits<unsigned>::max)();
cout << " 最小值:" << (numeric_limits<unsigned>::min)() << endl;
cout << "long: " << "字节数:" << sizeof(long) <<endl;
cout << "最大值:" << (numeric_limits<long>::max)();
cout << " 最小值:" << (numeric_limits<long>::min)() << endl;
cout << "unsigned long: " << "字节数:" << sizeof(unsigned long) <<endl;
cout << "最大值:" << (numeric_limits<unsigned long>::max)();
cout << " 最小值:" << (numeric_limits<unsigned long>::min)() << endl;
cout << "long long: " << "字节数:" << sizeof(long long) <<endl;
cout << "最大值:" << (numeric_limits<long long>::max)();
cout << " 最小值:" << (numeric_limits<long long>::min)() << endl;
cout << "unsigned long long: " << "字节数:" << sizeof(unsigned long long) <<endl;
cout << "最大值:" << (numeric_limits<unsigned long long>::max)();
cout << " 最小值:" << (numeric_limits<unsigned long long>::min)() << endl;
cout << "double: " << "字节数:" << sizeof(double) <<endl;
cout << "最大值:" << (numeric_limits<double>::max)();
cout << " 最小值:" << (numeric_limits<double>::min)() << endl;
cout << "long double: " << "字节数:" << sizeof(long double) <<endl;
cout << "最大值:" << (numeric_limits<long double>::max)();
cout << " 最小值:" << (numeric_limits<long double>::min)() << endl;
cout << "float: " << "字节数:" << sizeof(float) <<endl;
cout << "最大值:" << (numeric_limits<float>::max)();
cout << " 最小值:" << (numeric_limits<float>::min)() << endl;
return 0;
}
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