编辑代码

#include <iostream>
#include <cstdio>
#include <algorithm>

using namespace std;

int main() {
    int a[1000000];
    int i, j = 0, n, m, k;
    scanf("%d", &n);
    scanf("%d", &m);
    for (i = 0; i < n; i++) {
        scanf("%d", &a[i]);
        while (getchar() == '\n') {
            break;
        }
        j += 1;
    }
    sort(a, a + m, greater<int>());
    for (k = 0; k < m; k++) {
        cout << a[k] << " ";
    }
    return 0;
}