Submission #66313561

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Source Code Expand

#include <algorithm>
#include <iostream>
#include <cstdio>
#include <cstring>
using namespace std;

const int MAXN = 105;
int a[MAXN];

int main() {
    int n;
    cin >> n;
    for (int i = 1; i <= n; i ++) {
        cin >> a[i];
    }
    sort(a + 1, a + n + 1);
    n = (int)(unique(a + 1, a + n + 1) - a - 1);
    cout << n << '\n';
    for (int i = 1; i <= n; i ++) {
        cout << a[i] << ' ';
    }
    return 0;
}

Submission Info

Judge Result