Submission #3442875

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

int main()
{
    int N;
    cin >> N;
    set<int> se;
    for(int a = 0;a < N;a++){
        int b;
        cin >> b;
        se.insert(b);
    }
    cout<<se.size()<<endl;
    return 0;
}

Submission Info

Judge Result