HDU 1846: Brave Game (in Java)

/**
 * @link http://acm.hdu.edu.cn/showproblem.php?pid=1846
 * @author Sycamore
 * @date Aug, 21
 */
import java.util.*;

class Main{

    public static void main(String args[]){
        Scanner scanner=new Scanner(System.in);
       int c=scanner.nextInt();
       while(c--!=0){
         int n=scanner.nextInt(),m=scanner.nextInt();
         System.out.println(n%(m+1)!=0?"first":"second");
       }
        scanner.close();
    }
}

原文：http://www.cnblogs.com/zjnu/p/7403762.html