[SW Expert Academy] 2047. 신문 헤드라인 : https://swexpertacademy.com/main/code/problem/problemDetail.do?contestProbId=AV5QKsLaAy0DFAUq

신문 헤드라인.cc

#include<iostream>
#include<string>

using namespace std;

char toUpper(char c) {
	return ('a' <= c && c <= 'z') ? c - 'a' + 'A' : c;
}

int main() {
	string s;
	cin >> s;
	for (int i = 0; i < s.size(); i++) {
		s[i] = toUpper(s[i]);
	}
	cout << s;
	return 0;
}