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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. int main()
  5. {
  6.     int n,m,p;
  7.     int l[100000 + 5],r[100000 + 5],x[100000 + 5];
  8.     cin>>n>>m>>p;
  9.     for(int i = 1; i <= m; i ++)cin>>l[i]>>r[i];
  10.     for(int i = 1; i <= p; i ++)cin>>x[i];
  11.  
  12.     int ans = 0;
  13.     for(int i = 1; i <= m; i ++)
  14.     {
  15.         int dem = 0;
  16.         for(int j = 1; j <= p; j ++)
  17.         {
  18.             if(l[i] <= x[j] and x[j] <= r[i])dem++;
  19.         }
  20.         if(dem == 0)ans ++;
  21.     }
  22.     cout<<ans;
  23.  
  24.     return 0 ;
  25. }
  26.  
Success #stdin #stdout 0s 5316KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/VxgSyd
language:
C++14 (gcc 8.3)
created:
16 hours ago
visibility:
public

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