#include <iostream>
using namespace std;
int main(){
int n,num,first = 0,second = 0;
cin >> n;
for (int i = 1;i <= n;i ++){
cin >> num;
if (first < num){
second = first;
first = num;
}
else if (second < num){
second = num;
}
}
cout << second << endl;
return 0;
}
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版权声明：本文为CSDN博主「学神道」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/PanDaoxi2020/article/details/118678567
