Submission #1085806

#	Time	Username	Problem	Language	Result	Execution time	Memory
1085806		juicy	Toys (CEOI18_toy)	C++17	100 / 100	269 ms	16876 KiB

toy

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

vector<int> res;

void rec(int i, int j, int k) {
  res.push_back(k + i - 1);
  for (; j * j <= i; ++j) {
    if (i % j == 0) {
      rec(i / j, j, k + j - 1);
    }
  }
}

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  int n; cin >> n;
  rec(n, 2, 0);
  sort(res.begin(), res.end());
  res.erase(unique(res.begin(), res.end()), res.end());
  cout << res.size() << "\n";
  for (int x : res) {
    cout << x << " ";
  }  
  return 0;
}

• Subtask 1: 19 / 19
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 21 / 21