#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=1e5+10;
int a[N];
signed main(){
	cout<<1[a];
}

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=1e5+10;
int a[N];
signed main(){
	cout<<a[-1];
}

都能过编译！！！！！！！！！