[프로그래머스] A 강조하기

 

• 풀이

#include <string>
#include <vector>

using namespace std;

string solution(string myString) {
    string answer = "";
    for(int i=0; i< myString.size(); i++){
        if(myString[i] == ' ' || myString[i] == 'A') answer += myString[i];
        else if(myString[i] == 'a') answer += myString[i] - 32;
        else if(myString[i] < 'a' ) answer += myString[i] + 32;
        else answer += myString[i];
    }
    return answer;
}