很繁琐，但是能过！

#include <bits/stdc++.h>
using namespace std;
map<char,int> mp;
/*abc def ghi jkl mno pqrs tuv wxyz*/
int main(){
	for(int i=0;i<18;i++){
		mp['a'+i]=i%3+1;
	}
	mp['s']=4;
	mp['t']=1;
	mp['u']=2;
	mp['v']=3;
	mp['w']=1;
	mp['x']=2;
	mp['y']=3;
	mp['z']=4;
	string str;
	while(cin>>str){
		int cnt=0;
		for(int i=0;i<str.size();i++){
			cnt +=mp[str[i]];
			if(i!=0){
				if(str[i]<='o'){
					if((str[i]-'a')/3==(str[i-1] - 'a')/3) cnt+=2;
				}else{
					if(str[i]-'p'>=0&&str[i]-'p'<=3&&str[i-1]-'p'>=0&&str[i-1]-'p'<=3) cnt+=2;
					else if(str[i]-'t'>=0&&str[i]-'t'<=2&&str[i-1]-'t'>=0&&str[i-1]-'t'<=2) cnt+=2;
					else if(str[i]-'w'>=0&&str[i]-'w'<=3&&str[i-1]-'w'>=0&&str[i-1]-'w'<=3) cnt+=2;
				}
			}
		}
		cout<<cnt<<endl;
	}
	return 0;
}