731A - Night at the Museum

#include<bits/stdc++.h>

using namespace std;

int main()

{

   string s;

   cin>>s;

   int count=0,now=97;

   for(int i=0;i<s.size();i++)

   {

      int t=s[i];

      int temp =abs(t-now);

   //   cout<<t<<"  "<<temp<<endl;

      if(temp>13)

      {

          count += (13-(abs(t-now)-13));

       //   cout<<s[i]<<"for1 : "<<(abs(t-now)-13)<<endl;

      }

      else{

          count +=abs(t-now);

          // cout<<s[i]<<"for2 : "<<(abs(t-now))<<endl;

      }

      now = t;

   }

   cout<<count<<endl;

}