unit1.~cpp

這個程式可以顯示 3~100 的 prime number

//---------------------------------------------------------------------------
#include <iostream>
using namespace std;
#pragma hdrstop
//---------------------------------------------------------------------------
#pragma argsused
int main( )
{
     int n=3, x=2, y=0;
     while (n<101)
     {
          y=n%x;
               if(y==0)
               {
                    n++;
                    x=2;
                }
          else
          {
               x++;
               if(n==x)
               {
               cout << n << "\n";
               }
          }
     }
     system("Pause");
     return 0;
}
//---------------------------------------------------------------------------