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#6648: RE:時間一直愈時 請大大為我解惑


wl01482665 (阿甘)

a006. 一元二次方程式 | From: [120.119.35.46] | 發表日期: 2012-05-21 22:39
import java.util.Scanner;

public class lol{
public static void main(String [] argv){

Scanner abc = new Scanner(System.in);

while(abc.hasNext()){
int a = abc.nextInt();
for(int b = 2;b < a;b++){
 
if(a % b == 0){
System.out.println("非質數");
break;
}
if(b == a - 1){
System.out.println("質數");
}
}
}
} 
}
#6649: Re:RE:時間一直愈時 請大大為我解惑


justinj (黑旋風)

a006. 一元二次方程式 | From: [122.146.194.243] | 發表日期: 2012-05-22 09:16
import java.util.Scanner;

public class lol{
public static void main(String [] argv){

Scanner abc = new Scanner(System.in);

while(abc.hasNext()){
int a = abc.nextInt();
for(int b = 2;b < a;b++){
 
if(a % b == 0){
System.out.println("非質數");
break;
}
if(b == a - 1){
System.out.println("質數");
}
}
}

 硬跑當然會TLE
 
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