Submission #1949075

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Source Code Expand

//in the name of god
#include <bits/stdc++.h>
using namespace std;
#define MAX_N (int)2e5+20
#define INF 2e9+20
#define pb push_back
#define F first
#define S second
typedef long long LL;
#define int LL
typedef pair<int,int> pii;
const int delta=(int)1e9+7;
int  n,y; set<int>s;
main(){
	ios_base::sync_with_stdio(false); cin.tie(0);
	cin>>n;
        while(n--){ 
            cin>>y; s.insert(y);
        }
cout<<s.size();
	return cout<<endl,0;
}

Submission Info

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