蓝桥网试题 java 算法训练 区间k大数查询

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数组也有sort方法

尽量把输入和操作分开写

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 import java.util.*;
 public class Main {
     public static void main(String[] args) {
         Scanner sc = new Scanner(System.in);
         int n = sc.nextInt();
         int[] a = new int[n];
         for(int i=0;i<n;i++)
             a[i] = sc.nextInt();
         int m = sc.nextInt();
         int[] l = new int[m];
         int[] r = new int[m];
         int[] K = new int[m];
         for(int i=0;i<m;i++) {
             l[i] = sc.nextInt();
             r[i] = sc.nextInt();
             K[i] = sc.nextInt();
         }
         int[] res = new int[m];
         for(int i=0;i<m;i++) {
             int[] b = new int[r[i]-l[i]+1];
             int w = l[i] - 1;
             for(int j=0,k=w;j<b.length;j++,k++)
                 b[j] = a[k];
             Arrays.sort(b);
             res[i] = b[b.length-K[i]];
         }
         for(int i:res)
             System.out.println(i);
     }
 }