#include <iostream>
#include <cstdlib>
#include <iomanip>
#include <cmath>

using namespace std;

int main()
{
      cout << "正常二方(double→int)" << static_cast<int>(pow(10.0,2)) << endl 
           << endl 
           << endl; //正常的二方
      cout <<"十的幾次方:(double→int)" << endl;
      for (int i=0;i<=9;i++)
      {
          cout << left << setw(5) << i;
          cout << static_cast<int>(pow(10.0,i)) << endl;
      }
      system("pause");
}