Submission #1174515

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1174515	2025-03-27 03:43:48	tkm_algorithms	Strange Device (APIO19_strange_device)	C++20	10 / 100	5095 ms	589824 KiB

strange_device

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/**
*    In the name of Allah
*    We are nothing and you're everything
*    author: najmuddin
**/
#include <bits/stdc++.h>
using namespace std;
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
#define int ll
const char nl = '\n';
const int N = 1e7;
int32_t main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  
  int n, a, b;
  cin >> n >> a >> b;
  
  set<pair<int, int>> st;
  for (int i = 0; i < n; ++i) {
    int l, r; cin >> l >> r;
    
    for (int j = l; j <= r; ++j)st.insert({(j+j/b)%a, j%b});
  }
  cout << sz(st);
  return 0;
}
 
 
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• Subtask 8: 0 / 30