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Bài 1 - TH Java Sun Nov 04, 2012 3:46 pm
Admin
Admin
Bài 1: In ra dãy số nguyên tố:
- Code:
import java.util.Scanner;
public class Bai1 {
public static boolean isPrime(int x){
if (x<=2) return true;
for (int i=2;i<=x/2;i++)
if (x%i==0)
return false;
return true;
}
public static void main(String[] args){
Scanner in = new Scanner(System.in);
System.out.print("Nhap vao n: ");
int n = in.nextInt();
for (int i=1;i<=n;i++)
if (isPrime(i))
System.out.print(i+" ");
System.out.println("");
}
}
