문제
풀이
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
void solve(void) {
int n; cin >> n;
while (n--) {
string s; cin >> s;
transform(s.begin(), s.end(), s.begin(), ::tolower);
cout << s << "\n";
}
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}