BOJ 21895 - Rock-Paper-Scissors for three [C++]

문제

링크

풀이

#include <iostream>
using namespace std;
 
char calc(char a, char b) {
  if (a == 'R')      return b == 'S' ? 'R' : 'P';
  else if (a == 'P') return b == 'R' ? 'P' : 'S';
  else               return b == 'P' ? 'S' : 'R';
}
 
void solve(void) {
  int n; cin >> n;
  string a; cin >> a;
  string b; cin >> b;
 
  for (int i=0; i<n; i++) {
    cout << calc(a[i], b[i]);
  }
}
 
int main(void) {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
 
  solve();
  return 0;
}