Que17|2816. 判断子序列

题目：2816. 判断子序列 - AcWing题库

代码实现：

import java.util.*;
public class Main{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int m = sc.nextInt();
        int[] a = new int[n];
        int[] b = new int[m];
        for (int i = 0; i < n; i++) a[i] = sc.nextInt();
        for (int i = 0; i < m; i++) b[i] = sc.nextInt();
        int i = 0, j = 0;
        while (i < n && j < m) {
            if (a[i] == b[j]) {
                i++;
            }
            j++;
        }
        // for (;j < m && i < n; j++) {
        //     if (a[i] == b[j]) {
        //         i++;
        //     }
        // }
        if (i == n) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
}