#include "iostream"
using namespace std;

int f1(int *a, short i)
{
	int g=0;
	int k=a[0];
	for(short j=1;j<i;j++)
		if(k<a[j])
		{
			k=a[j];
			g=j;
		}
	return g;
}
void f2(int *a, short i)
{
	int k1=0,k2=0;
	short j=0;
	for(j=0;j<i;j++)
	if(a[j]==0)
	{k1=j;goto end1;}
	cout<<"\nNo \"0\" elements.";goto end;
	end1:
	for(j=k1+1;j<i;j++)
	if(a[j]==0)
	{k2=j;goto end2;}
	end2:
	if((k1+1)<k2)
	{
		k1+=1;int s=1;
		for(;k1<k2;k1++)
		s=s*a[k1];
		cout<<"\ns="<<s;
	}
	else
	cout<<"\nOnly 1 \"0\" element, or 2 \"0\" elements on adjacent positions";end:
	if(i%2==0)
		for(int h,j=1;j<i/2;j+=2)
		{
			h=a[j];
			a[j]=a[i-1-j];
			a[i-1-j]=h;
		}
	else
		for(int h,j=1;j<i/2+1;j+=2)
		{
			h=a[j];
			a[j]=a[i-j];
			a[i-j]=h;
		};
		end4:
		cout<<'\n';
		for(j=0;j<i;j++)
		{
			cout<<' '<<a[j];
		};

}

void main()
{
	int i;
	cout<<"\nEnter size. Under 100:";
	again:
	cin>>i;
	if(i>100||i<=0)
	{cout<<"\nError. Try again.";goto again;}
	int a[100];
	for(int j=0;j<i;j++)
		cin>>a[j];
	cout<<'\n'<<f1(a,i);
	f2(a,i);
}