[1일 1백준 : 5622번] 다이얼

#include <iostream>
#include <vector>
// A ~ Z : 65 ~ 90

const int ConvertDialCharToNumber(char c)
{
	int ANCII = c;
	if (ANCII <= (int)'C')
		return 2;
	else if (ANCII <= (int)'F')
		return 3;
	else if (ANCII <= (int)'I')
		return 4;
	else if (ANCII <= (int)'L')
		return 5;
	else if (ANCII <= (int)'O')
		return 6;
	else if (ANCII <= (int)'S')
		return 7;
	else if (ANCII <= (int)'V')
		return 8;
	else if (ANCII <= (int)'Z')
		return 9;
}

int main(void)
{
	std::cin.tie(NULL);
	std::cout.tie(NULL);
	std::ios::sync_with_stdio(false);

	std::string words;
	std::vector<int> index;
	std::cin >> words;
	const int strSize = words.size();
	index.reserve(strSize);

	for (size_t i = 0; i < strSize; i++)
	{
		index.emplace_back(ConvertDialCharToNumber(words[i]));
	}

	int timeSum = 0;
	for (size_t i = 0; i < index.size(); i++)
	{
		timeSum += index[i] + 1;
	}
	std::cout << timeSum << "\n";

	return 0;
}

5622번: 다이얼 (acmicpc.net)

5622번: 다이얼