https://www.acmicpc.net/problem/2745소스 코드(c++)#include using namespace std;int main() { ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, result = 0, num = 1, change_num; string s; cin >> s >> n; for (int i = 0; i = 'A' && s[s.length() - 1 - i]