distinct_element_in_array.cpp

#include<bits/stdc++.h>
using namespace std;
int count_distinct(int arr[],int n){
	int count =0;
	bool isDistinct =true;
	for(int i=0; i<n; i++){
		isDistinct=true;
		for(int j=i-1; j>=0; j--){
			if(arr[i]==arr[j]){
				isDistinct =false;
				break;
			}
		}
		if(isDistinct == true)
			count++;
	}
	return count;
}
int main(void){
	int n;
	cin>>n;
	int arr[n];
	for(int i=0; i<n; i++){
		cin>>arr[i];

	}
	cout<<count_distinct(arr,n);
	return 0;
}