Submission #3236338

---

Source Code Expand

#include <bits/stdc++.h>
#include <algorithm>
#include <iostream>
#include <stdio.h>
#include <string>
#include <math.h>
typedef long long ll;
using namespace std;

int main() {
	ll n,ans=0;
	cin>>n;
	ll a[n];
	for(int i=0;i<n;i++){
		cin>>a[i];
	}
	sort(a,a+n);
	for(int i=1;i<n;i++){
		if(a[i]!=a[i-1]){
			ans++;
		}
	}
	cout << ans+1<<endl;
	return 0;
}

Submission Info

Judge Result