#include <iostream>  
using namespace std;  
int main()  
{ 
int a,p=0,js=0; cin >>a;int q[a];  
for (int y=0;y<a;y++){cin >>q[y]; p+=q[y];} p/=a;  
for (int y=0;y<a;y++)q[y]-=p;  
for (int y=0;y<a;y++) {if (q[y]==0)continue; q[y+1]+=q[y]; js++;}
cout <<js;  
return 0;
}