4. 영어 단어 복구

 

#include <iostream>
#include <string>

using namespace std;

int main()
{
	string str;
	getline(cin, str);

	char Res[101] {0,};
	int Position = 0;

	for (int idx = 0; idx < str.size(); ++idx)
	{
		if (str[idx] == ' ')
		{
			continue;
		}

		if ((str[idx] >= 65) && (str[idx] <= 90))
		{
			Res[Position] = str[idx] + 32;
		}
		else
		{
			Res[Position] = str[idx];
		}

		++Position;
	}

	Res[Position] = '\0';

	cout << Res;
}