题目1052：找x

#include <iostream>
#include <stdio.h>
#include <algorithm>
#include <math.h>
#include <string>
#include <string.h>
#include <vector>
using namespace std;
//1052 找x
int num[201];
int main(){
    int n,x;
    while(scanf("%d",&n)!=EOF){
        for(int i=0;i<n;i++) scanf("%d",num+i);
        scanf("%d",&x);
        bool flag=false;
        for(int i=0;i<n;i++){
            if(x==num[i]){
                printf("%d\n",i);
                flag=true;
                break;
            }
        }
        if(!flag)
            printf("%d\n",-1);
    }
    return 0;
}
/**************************************************************
    Problem: 1052
    User: cust123
    Language: C++
    Result: Accepted
    Time:0 ms
    Memory:1520 kb
****************************************************************/