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一维数组

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main() {
    int n;
    cin >> n;
    int arr[n + 1];
    int temp[n + 1];
    bool flag;
    int m = 0;

    for (int i = 0; i < n; i++) {
        cin >> arr[i];
    }

    for (int i = 0; i < n; i++) {
        flag = true;

        for (int j = 0; j < m; j++) {
            if (arr[i] == temp[j]) {
                flag = false;
            }
        }

        if (flag) {
            temp[m++] = arr[i];
        }
    }

    for (int i = 0; i < m; i++) {
        cout << temp[i] << " ";
    }

    return 0;
}