maxim

#include <iostream>
using namespace std;
unsigned n,i,j=0;
int a[30],maxim;
void divide(unsigned s,unsigned d,unsigned &m)
{
m=(s+d)/2;
}
void combina(float x,float y,float &z)
{
if(x>y){
    z=x;
}
else{
    z=y;
}
}
void dei(unsigned s, unsigned d,float &z)
{
unsigned m;
float x1,x2;
if(d==s)
{

z=a[s];

}
else
{
divide(s,d,m);
dei(s,m,x1);
dei(m+1,d,x2);
combina(x1,x2,z);
}
}
int main ()
{
float z;
cout<<"n= ";
cin>>n;
for(i=1;i<=n;i++){
cout<<"a["<<i<<"]= ";
cin>>a[i];}

dei(1,n,z);
cout<<"max="<<z;


}