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  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. const int N=1e6+4;
  4. long long a[N],b[N],n,m;
  5. int main()
  6. {
  7.     cin>>n>>m;
  8.     for(int i=1;i<=n;i++) cin>>a[i];
  9.     for(int i=1;i<=m;i++) cin>>b[i];
  10.     sort(a+1,a+n+1,greater<long long>());
  11.     sort(b+1,b+m+1,greater<long long>());
  12.     long long dem=0,i=1,j=1;
  13.     while(i<=n && j<=m)
  14.     {
  15.         if(a[i]>b[j])
  16.         {
  17.             dem++;
  18.             i++;
  19.             j++;
  20.         }
  21.         else j++;
  22.     }
  23.     cout<<dem;
  24. }
  25.  
Success #stdin #stdout 0.01s 5504KB
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https://ideone.com/ZTWhzZ
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
public

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