BOJ 23027 - 1번부터 문제의 상태가…? [C++]

문제

링크

풀이

#include <iostream>
#include <string>
using namespace std;
 
void solve(void) {
  string s; cin >> s;
 
  if (s.find('A') != string::npos) {
    for (char c : s) cout << (c == 'B' || c == 'C' || c == 'D' || c == 'F' ? 'A' : c);
  } else if (s.find('B') != string::npos) {
    for (char c : s) cout << (c == 'C' || c == 'D' || c == 'F' ? 'B' : c);
  } else if (s.find('C') != string::npos) {
    for (char c : s) cout << (c == 'D' || c == 'F' ? 'C' : c);
  } else {
    for (char c : s) cout << 'A';
  }
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}