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  1. #include <iostream>
  2. #include <vector>
  3. #include <algorithm>
  4. #include <fstream>
  5. #include <sstream>
  6. #include <cmath>
  7. #include <algorithm>
  8. #include <map>
  9. #define LOCAL
  10. #ifdef LOCAL
  11. #define cin in
  12. #define cout out
  13. #endif
  14.  
  15. #define FOREACH(i, n) for (typeof(n.begin()) i = n.begin(); i != n.end(); ++i)
  16. #define MEMSET(p, c) memset(p, c, sizeof(p))
  17.  
  18. using namespace std;
  19.  
  20. template < class T,class T2 >
  21. T2 fac(T n)
  22. {
  23.     return n<2?1:fac<T,T2>(n-1)*n;
  24. }
  25.  
  26. template <class T>
  27. T nb_combinaisons(T k,T n)
  28. {
  29.     if(n<k)
  30.         return nb_combinaisons<T>(n,k);
  31.     return fac<T,long long int>(n)/(fac<T,long long int>(n-k)*fac<T,long long int>(k));
  32. }
  33.  
  34. string itoa_2(long long int n)
  35. {
  36.     string s;
  37.     stringstream ss;
  38.     ss<<n;
  39.     ss>>s;
  40.     while(s.size()!=9)
  41.         s='0'+s;
  42.     return s;
  43. }
  44.  
  45.  
  46. int main()
  47. {
  48.     #ifdef LOCAL
  49.         ifstream in("input.txt");
  50.         ofstream out("output.txt");
  51.     #endif
  52.    int n,k;
  53.    cin>>n>>k;
  54.    string s;
  55.    cin>>s;
  56.    sort(s.begin(),s.end());
  57.    int mini_global=10000000;
  58.    for(int c=0;c<10;c++)
  59.    {
  60.     int c2;
  61.     for(c2=0;c2<s.size()&&s[c2]<c+'0';c2++);
  62.     int total=abs(s[c2]-'0'-c);
  63.     int bas=c2-1,haut=c2+1;
  64.     for(c2=0;c2<k-1;c2++)
  65.     {
  66.         if(haut>=s.size()||(bas>=0&&abs(s[bas]-'0'-c)<=abs(s[bas]-'0'-c)))
  67.         {
  68.             total+=abs(s[bas]-'0'-c);
  69.             bas--;
  70.         }
  71.         else
  72.         {
  73.             total+=abs(s[haut]-'0'-c);
  74.             haut++;
  75.         }
  76.     }
  77.     mini_global=min(mini_global,total);
  78.    }
  79.    cout<<mini_global;
  80. }
  81.  
  82.  
  83.  
  84.  
stdin 
Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:61: warning: comparison between signed and unsigned integer expressions
prog.cpp:66: warning: comparison between signed and unsigned integer expressions
stdout 
Standard output is empty
https://ideone.com/4wy2F
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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