제출 #562436

#제출 시각아이디문제언어결과실행 시간메모리
5624361zaid1콤보 (IOI18_combo)C++14
30 / 100
56 ms460 KiB
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
string guess_sequence(int n) {
  vector<string> v = {"A", "B", "X", "Y"};
  string cum = "";

    if (press(cum+v[0]+cum+v[1])) {
      if (press(cum + v[0])) swap(v[0], v[3]);
      else swap(v[1], v[3]);
    } else {
      if (press(cum + v[2])) swap(v[2], v[3]);
    }

  cum += v.back();
  v.pop_back();

  for (int k = 2; k <= n; k++) {
    if (press(cum+v[0]+cum+v[1]) == k) {
      if (press(cum + v[0]) == k) cum += v[0];
      else cum += v[1];
    } else cum += v[2];
  }

  return cum;
}
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