Submission #1174528

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1174528	2025-03-27 04:14:22	tkm_algorithms	Strange Device (APIO19_strange_device)	C++20	0 / 100	5096 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;
  
  if (b == 1) {
    set<pair<int, int>> st, st2;
    for (int i = 0; i < n; ++i) {
      int l, r; cin >> l >> r;
      if (sz(st) == 0)st.insert({l, r}), st2.insert({r, l});
      else {
        auto it = st.lower_bound({l, 0});
        int nl = l, nr = r;
        while (it != st.end() && it->first <= r) {
 
 
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