제출 #1019328

#제출 시각아이디문제언어결과실행 시간메모리
1019328avighna이상한 기계 (APIO19_strange_device)C++17
10 / 100
5065 ms524288 KiB
#include <bits/stdc++.h>

typedef long long ll;

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

  ll n, a, b;
  std::cin >> n >> a >> b;
  std::set<std::pair<ll, ll>> st;
  while (n--) {
    ll l, r;
    std::cin >> l >> r;
    for (ll x = l; x <= r; ++x) {
      st.insert({(x + x / b) % a, x % b});
    }
  }
  std::cout << st.size() << "\n";
}
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