Submission #4064785

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Source Code Expand

#include <iostream>
#include<set>
#include<math.h>
using namespace std;
#define rep(i, n) for(int i=0;i<n;i++)

int main(){
    int N;
    cin >> N;
    set <int> s;
    int tmp;
    
    rep(i, N){
        cin >> tmp;
        s.insert(tmp);
    }
    cout << s.size() << endl;

    return 0;
}

Submission Info

Judge Result