import java.util.Scanner; class Stu{ String sno; double score; public Stu(String sno,double score){ this.sno=sno; this.score=score; } } public class Main{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int k=sc.nextInt(); Stu[]s=new Stu[n]; for (int i = 0; i < n; i++) { s[i]=new Stu(sc.next(),sc.nextDouble()); } for (int i = 0; i <n-1; i++) { for (int j = 0; j < n-1; j++) { if(s[j].score<s[j+1].score){ Stu t=s[j];s[j]=s[j+1];s[j+1]=t; } } } System.out.print(s[k-1].sno+" "); String[]ss=(s[k-1].score+"").split("[.]"); int a=Integer.parseInt(ss[1]); if(a!=0)System.out.println(ss[0]+"."+a); else System.out.println(ss[0]); } }
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