fork download 
  1. #include <iostream>
  2. #include <bits/stdc++.h>
  3. #define FOR(i, a, b) for(int i = a; i <= b; i++)
  4. #define fi first
  5. #define se second
  6.  
  7. using namespace std;
  8. typedef long long ll;
  9. typedef pair<int, int> ii;
  10. int n, L, R, Dem, res;
  11. vector<ii> a;
  12.  
  13. signed main()
  14. {
  15.     ios_base::sync_with_stdio(false);
  16.     cin.tie(NULL);   cout.tie(NULL);
  17.     freopen("meeting.inp", "r", stdin);
  18.     freopen("meeting.out", "w", stdout);
  19.     cin>>n;
  20.     FOR(i, 1, n){
  21.        cin>>L>>R;
  22.        a.push_back({L, 0});
  23.        a.push_back({R, 1});
  24.     }
  25.     sort(a.begin(), a.end());
  26.     for(int i = 0; i < (int)a.size(); i++)
  27.      if (a[i].se == 0){
  28.         Dem++;
  29.         res = max(res, Dem);
  30.      } else Dem--;
  31.     cout<<res;
  32.     return (0);
  33. }
  34.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/sxONdL
language:
C++14 (clang 8.0)
created:
3 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!