题解 | #输入n个整数，输出其中最小的k个#

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


int main(){
    int n, k;
    
    while (cin >> n >> k)
    {
        vector<int> vec(n);
        for (int i =0; i < n; ++i)
        {
            cin >> vec[i];
        }
        partial_sort(vec.begin(), vec.begin()+k, vec.end());
        copy(vec.begin(), vec.begin()+k, ostream_iterator<int>(cout, " "));
        cout << endl;
    }
     
}