题解 | 输入n个整数，输出其中最小的k个

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

int main() {
    int n, k;
    while (cin >> n >> k) {
        vector<int> arr(n);
        for (int i = 0; i < n; ++i) {
            cin >> arr[i];
        }
        sort(arr.begin(), arr.end());
        for (int j = 0; j < k; ++j) {
            cout << arr[j] << ' ';
        }
    }
    return 0;
}