Säähavainnot

#include <bits/stdc++.h>
 
using namespace std;
 
void init_code() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
#ifndef ONLINE_JUDGE
  freopen("input.txt", "r", stdin);
  freopen("output.txt", "w", stdout);
#endif
}
 
void solve() {
    int n = 24;
    vector<double> a(n);
    for (int i = 0; i < n; ++i) {
        cin >> a[i];
    }
    
    mt19937 mersenne(static_cast<unsigned int>(time(0)));
    uniform_real_distribution<> c(-0.1, 0.06);

    double last = a.back();
    for (int i = 0; i < 12; ++i) {
        if (abs(a[i] - last) < abs(a[23 - i] - last)) {
            last = a[i];
        } else {
            last = a[23 - i];
        }
        if ((mersenne() % 101) >= 60) {
            last += c(mersenne);
        }
        if ((mersenne() % 101) >= 90) {
            cout << '?' << ' ';
        } else {
            cout << fixed << std::setprecision(7)<< last << ' ';   
        }
    }
    cout << '\n';
}
 
signed main() {
  init_code();
  int t = 1;
  cin >> t;
  while (t--) {
    solve();
  }
  return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED