蓝桥网试题 java 基础练习 查找整数

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注意看清楚条件 别漏了

-1

-1

-1

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算法

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 s = sc.nextInt();
        boolean b = true;
        for(int i=0;i<n;i++)
            if(a[i]==s){
                b = false;
                System.out.println(i+1);
                break;
            }
        if(b)
            System.out.println(-1);
    }
}