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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define int long long int
  4.  
  5. #undef int
  6. int main()
  7. {
  8. #define int long long int
  9.  
  10.     ios_base::sync_with_stdio(0);
  11.     cin.tie(0);
  12.     cout.tie(0);
  13.  
  14.     int t;
  15.     cin>>t;
  16.     while(t--)
  17.     {
  18.         string s;
  19.         cin>>s;
  20.         int n = s.length();
  21.         vector<int> dp(n);
  22.         vector< set<int> > sc(26);
  23.         dp[0] = 0;
  24.         sc[s[0]-'a'].insert(0);
  25.         for(int i = 1;i<n;i++)
  26.         {
  27.             dp[i] = dp[i-1]+abs(s[i]-s[i-1]);
  28.             if(!sc[s[i]-'a'].empty())
  29.                 dp[i] = min(dp[i], *(sc[s[i]-'a'].begin()));
  30.             sc[s[i]-'a'].insert(dp[i]);
  31.         }
  32.         cout<<dp[n-1]<<endl;
  33.     }
  34.  
  35.     return 0;
  36. }
Success #stdin #stdout 0s 15240KB
comments ()
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/KCiiqu
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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