a007. 判斷質數 | From: [140.129.108.162] | 發表日期 : 2013-04-15 22:25

import java.util.*;

class A007{

public static void main(String[] args){

Scanner cin = new Scanner(System.in);

while(cin.hasNext()){

int x = cin.nextInt();

int count=0;

for(int i =2;i<=x;i++){

if(x%i==0){

count++;

}

}

if(count==1){

System.out.println("質數");

}else{

System.out.println("非質數");

}

}

}

}

 

幫我看一下哪裡有問題 謝謝><