题解 | #成绩排序#

import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static void main(String[] args) throws IOException{ BufferedReader br= new BufferedReader(new InputStreamReader(System.in)); String str=""; while((str=br.readLine())!=null){ int n=Integer.parseInt(str.trim());

		  int bool=Integer.parseInt(br.readLine().trim());
		  String[] name =new String[n];
		  int[] score=new int[n];
		  for(int i=0;i<n;i++){
			  str=br.readLine().trim();
			 String[] temp= str.split(" ");
			  name[i]=temp[0];
			  score[i]=Integer.parseInt(temp[1]);
		  }
		  if(bool==0){  // 由高到低
			  for(int i=0;i<n;i++){
				 
				  for(int j=0;j<n-1-i;j++){
					  if(score[j+1]>score[j]){
						 String na=name[j];
						  name[j]=name[j+1];
						  name[j+1]=na;
						  int t=score[j];
						  score[j]=score[j+1];
						  score[j+1]=t;
					  }
				   
			  }
				  
			  }
		  }else{  // 由低到高
			  for(int i=0;i<n;i++){
	  
				  for(int j=0;j<n-1-i;j++){
					  if(score[j+1]<score[j]){
						 String na=name[j];
						  name[j]=name[j+1];
						  name[j+1]=na;
						  int t=score[j];
						  score[j]=score[j+1];
						  score[j+1]=t;
					  }
			  }
				  
				   
			  }
		 
		  
		 }
		  StringBuilder sb = new StringBuilder();
			for(int i=0;i<n;i++) {
				sb.append(name[i] + " ");
				sb.append(score[i]);
                sb.append("\n");
			}
          sb.deleteCharAt(sb.length()-1);
			System.out.println(sb.toString());
	  }
}

}