C++(씨쁠쁠)(cplusplus)-백준(baekjoon)(BaekJoon)코딩 5622번:다이얼 답

#include <iostream>
#include <string>
using namespace std;
int a[15], sum;
int main() {
    string w;
    cin >> w;
    for (int i = 0; i < w.size(); i++)
    {
        if (w[i] == '1')
            sum += 2;
        else if (w[i] >= 65 && w[i] <= 67)
            sum += 3;
        else if (w[i] >= 68 && w[i] <= 70)
            sum += 4;
        else if (w[i] >= 71 && w[i] <= 73)
            sum += 5;
        else if (w[i] >= 74 && w[i] <= 76)
            sum += 6;
        else if (w[i] >= 77 && w[i] <= 79)
            sum += 7;
        else if (w[i] >= 80 && w[i] <= 83)
            sum += 8;
        else if (w[i] >= 84 && w[i] <= 86)
            sum += 9;
        else if (w[i] >= 87 && w[i] <= 91)
            sum += 10;
        else
            sum += 11;
        
    }
    
    cout << sum;
}