ACWING 算法基础02–第k个数
一、代码 import java.util.*; public class Main{ static int k; public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); k = sc.nextInt(); int[] a = new…
ACWING 算法基础01–快速排序
一、代码 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++){ …