: 우선순위 큐를 오름차순으로 만든 후,
7개출력만 하면 됨.
#include <iostream>
using namespace std;
#include <vector>
#include <string>
#include <algorithm>
#include <map>
#include <queue>
int main()
{
long long n;
cin >> n;
priority_queue<float , vector<float>, greater<float>>pq;
for (long long i = 0; i < n; ++i)
{
float f;
cin >> f;
pq.push(f);
}
//cout << "output" << endl;
while (!pq.empty())
{
for (int i = 0; i < 7; ++i)
{
printf("%0.3f\n", pq.top());
pq.pop();
}
break;
}
}