Submission #1173885

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1173885	2025-03-26 05:41:02	stdfloat	Strange Device (APIO19_strange_device)	C++20	5 / 100	5063 ms	589824 KiB

strange_device

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#include <bits/stdc++.h>
using namespace std;
using ll = long long;
int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);
  int n;
  ll A, B;
  cin >> n >> A >> B;
  int L;
  set<pair<ll, ll>> s;
  for (int i = 0; ; i++) {
    ll x = (i + i / B) % A, y = i % B;
    
    if (s.find({x, y}) != s.end()) {
      L = i;
      break;
    }
    s.insert({x, y});
  }
  vector<int> p(L);
  while (n--) {
    ll l, r;
    cin >> l >> r;
 
 
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