11_15.cpp

Ｃ＋＋案例教程源代码

#include <iostream>
using namespace std;
int main()
{  cout << "Printing uppercase letters in scientific notation exponents" << endl;
   //使用std:uppercase来显示大写字母
   cout << uppercase << 4.345e10 << '\n' << hex << 123456789<< endl;
   return 0;
}