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Saleh127

CSES 1619

Apr 17th, 2021
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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4. #define test int t; cin>>t; for(int cs=1;cs<=t;cs++)
  5. int main()
  6. {
  7. ios_base::sync_with_stdio(0);
  8. cin.tie(0);cout.tie(0);
  9.  
  10. vector<pair<ll,ll>>x;
  11.  
  12. ll n,m=0,i,j,k,l=0;
  13.  
  14. cin>>n;
  15. for(i=0;i<n;i++)
  16. {
  17. cin>>j>>k;
  18. x.push_back({j,1});
  19. x.push_back({k+1,-1});
  20. }
  21. sort(x.begin(),x.end());
  22.  
  23. for(auto s:x)
  24. {
  25. l+=s.second;
  26. m=max(l,m);
  27. }
  28. cout<<m<<endl;
  29. return 0;
  30. }
  31.  
  32.  
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