문제
풀이
#include <iostream>
#include <string>
using namespace std;
void solve(void) {
string s; cin >> s;
int a = 0, b = 0, d = 0, e = 0;
for (char c : s) {
if (c == 'A') a++;
else b++;
if (a == 21 || b == 21) {
if (a > b) d++;
else e++;
cout << a << "-" << b << "\n";
a = b = 0;
}
}
cout << (d > e ? "A" : "B");
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}