Submission #966600

#	Time	Username	Problem	Language	Result	Execution time	Memory
966600		kilkuwu	Strange Device (APIO19_strange_device)	C++17	10 / 100	846 ms	524288 KiB

strange_device

#include <bits/stdc++.h>

#define nl '\n'


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

  int n;
  int64_t A, B;
  std::cin >> n >> A >> B;
  std::vector<int64_t> L(n), R(n);
  for (int i = 0; i < n; i++) {
    std::cin >> L[i] >> R[i];
  }

  auto calc = [&](int64_t t) -> std::pair<int64_t, int64_t> {
    auto y = t % B;
    auto x = (t + (t / B)) % A;
    return {x, y};
  };

  std::vector<std::pair<int64_t, int64_t>> shown;
  for (int i = 0; i < n; i++) {
    for (int64_t j = L[i]; j <= R[i]; j++) {
      shown.push_back(calc(j));
    }
  }

  std::sort(shown.begin(), shown.end());
  shown.erase(std::unique(shown.begin(), shown.end()), shown.end());
  std::cout << shown.size() << nl;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 5
• Subtask 4: 0 / 5
• Subtask 5: 0 / 5
• Subtask 6: 0 / 20
• Subtask 7: 0 / 20
• Subtask 8: 0 / 30