Submission #3975446

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Source Code Expand

#include<iostream>
using namespace std;
int main(){
  int n;
  cin>>n;
  int a[n];
  for(int i=0;i<n;++i)cin>>a[i];
  sort(a,a+n);
  int ans=0;
  for(int i=n-1;i>0;--i){
   if(a[i]==a[i-1])continue;
   ans=a[i-1];
   break;
  }
  cout<<ans<<endl;
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:8:13: error: ‘sort’ was not declared in this scope
   sort(a,a+n);
             ^