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5622 : 다이얼 [C++] 

#include <iostream>
#include <string>

using namespace std;

int main()
{
    string Dial;
    getline(cin,Dial,'\n');
    
    int Time = 0;
    
    for(int i = 0; i < Dial.size(); i++)
    {
        switch(Dial[i])
        {
            case 'A': case 'B': case 'C': Time+=3;break;
            case 'D': case 'E': case 'F': Time+=4;break;
            case 'G': case 'H': case 'I': Time+=5;break;
            case 'J': case 'K': case 'L': Time+=6;break;
            case 'M': case 'N': case 'O': Time+=7;break;
            case 'P': case 'Q': case 'R': case 'S': Time+=8;break;
            case 'T': case 'U': case 'V': Time+=9;break;
            case 'W': case 'X': case 'Y': case 'Z': Time+=10;break;
        }
    }
    
    cout << Time;
}
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