Find large number in array c + +

#include<iostream.h>
#include<conio.h>
class larger
{
private:
int num[10],i,temp;
public:
void input();
void rule();
void display();
};
void larger::input()
{
cout<<"\n enter the 10 any number";
for(i=1;i<=10;i++)
{
cin>>num[i];
}
}
void larger::rule()
{
temp=0;
for(i=1;i<=10;i++)
{
if(num[i]>temp)
{
temp=num[i];
}
}
}
void larger::display()
{
input();
rule();
cout<<"\n\n largest no :"<<temp;
}
int main()
{
larger l;
clrscr();
l.display();
getch();
return 0;
}