题解 | #判断一个数是不是质数#
判断一个数是不是质数
https://www.nowcoder.com/practice/b8bb5e7703da4a83ac7754c0f3d45a82
#include <iostream>
using namespace std;
int main() {
// write your code here......
int x;
cin>>x;
for(int i = 2; i<= x;i++){
if (x ==i){
cout<<"是质数"<<endl;
break;
}
if(x % i == 0){
cout<<"不是质数"<<endl;
break;
}
}
return 0;
}
