#include <bits/stdc++.h>
using namespace std;
int f_op=1e9;
int minOp(int arr[],int n){
for(int i=0;i<n;i++){
int op=0;
for(int j=0;j<n;j++){
if(arr[i]!=arr[j]){
op++;
}
}
f_op=min(f_op,op);
}
return f_op;
}
int main() {
// your code goes here
int n;
cin>>n;
int arr[n];
for(int i=0;i<n;i++){
cin>>arr[i];
}
cout<<"The minimum operation is:"<<minOp(arr,n);
return 0;
}
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