#include<iostream>
using namespace std;
int main()
{ int number=2,n,t,judge;
do{ t=number/2;n=2;judge=1;
while(n<=t)
{if(number%n==0) {judge=0;break;}
n++;}
if(judge) cout<<number<<"是素数"<<endl;number++;
}while(number<=100) ;
return 0;
}
我用do while和while都成功了