Submission #761846

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
761846	2023-06-20 10:25:18	gun_gan	Teleporters (IOI08_teleporters)	C++17	10 / 100	415 ms	40308 KiB

teleporters

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int MX = 1e6 + 5;
int N, M;
int cnt[MX];
vector<array<int,3>> v;
int main() {
      ios_base::sync_with_stdio(0); cin.tie(0);
      cin >> N >> M;
      for(int i = 0; i < N; i++) {
            int l, r;
            cin >> l >> r;
            v.push_back({l, r, i});
            v.push_back({r, l, i});
      }
      sort(v.begin(), v.end());
      int cur = 0;
      while(1) {
            array<int,3> arr = {cur + 1, 0, 0};
            auto nxt = lower_bound(v.begin(), v.end(), arr);
 
 
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