🐣 문제

링크 : https://school.programmers.co.kr/learn/courses/30/lessons/42860

🐥 코드

#include <string>

using namespace std;

int solution(string name) {
    int answer = 0;
    string joystick; 
    
    int n = name.size();
    
    int move = n-1;
    for(int i = 0; i < n; i++){
        
        answer += min(name[i] - 'A', 'Z' - name[i] +1);
    
        int index = i + 1;
        while(index < n && name[index] == 'A') index ++;
        
        int a = i;
        int b = n - index;
        
        move = min(move, min(2 * a + b, a + 2 * b));
    }
    
    answer += move;
    return answer;
}