Submission #1261492

#	Time	Username	Problem	Language	Result	Execution time	Memory
1261492		avighna	Festival (IOI25_festival)	C++20	5 / 100	42 ms	8008 KiB

festival

#include <bits/stdc++.h>

struct item {
  int64_t i, p, t;
};

std::vector<int> max_coupons(int A, std::vector<int> P, std::vector<int> T) {
  const int n = P.size();
  std::vector<item> a(n);
  for (int i = 0; i < n; ++i) {
    a[i] = {i, P[i], T[i]};
  }
  std::sort(a.begin(), a.end(), [&](item i, item j) {
    if (i.t != j.t) {
      return i.t > j.t;
    }
    return i.p < j.p;
  });
  int _n = n;
  for (int i = 0; i < n; ++i) {
    if (a[i].t == 1) {
      _n = i;
      break;
    }
  }
  const int lg = 30;
  std::vector<int> ans;
  // i = number of things chosen from left
  for (int i = 0; i <= std::min(_n, lg); ++i) {
    int64_t cur = A;
    std::vector<int> cur_ans;
    bool good = true;
    for (int j = 0; j < i; ++j) {
      if (cur < a[j].p) {
        good = false;
        break;
      }
      cur_ans.push_back(a[i].i);
      cur = (cur - a[j].p) * a[j].t;
    }
    if (!good) {
      break;
    }
    for (int j = _n; j < n; ++j) {
      if (cur - a[j].p < 0) {
        break;
      }
      cur_ans.push_back(a[j].i);
      cur = (cur - a[j].p) * a[j].t;
    }
    if (cur_ans.size() > ans.size()) {
      ans = cur_ans;
    }
  }

  return ans;
}

• Subtask 0: 0 / 0
• Subtask 1: 5 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 15
• Subtask 5: 0 / 27
• Subtask 6: 0 / 16
• Subtask 7: 0 / 18