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a53

bal1

a53
Oct 25th, 2020
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0
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  1. #include <fstream>
  2. #include <algorithm>
  3. using namespace std;
  4.  
  5. int main()
  6. {
  7. int n,m;
  8. ifstream fin("bal.in");
  9. fin>>n>>m;
  10. int f[n+1],b[m+1];
  11. for(int i=0;i<n;++i)
  12. fin>>f[i];
  13. for(int i=0;i<m;++i)
  14. fin>>b[i];
  15. sort(f,f+n);
  16. sort(b,b+m);
  17. int i=0,j=0,p=0;
  18. while(i<n&&j<m)
  19. if(f[i]<=b[j])
  20. ++p,++i,++j;
  21. else
  22. ++j;
  23. ofstream fout("bal.out");
  24. fout<<p;
  25. return 0;
  26. }
  27.  
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