제출 #379824

#제출 시각아이디문제언어결과실행 시간메모리
379824SuhaibSawalha1Combo (IOI18_combo)C++14
30 / 100
77 ms560 KiB
#include "combo.h"
#include <bits/stdc++.h>
using namespace std;

vector<char> ca {'A', 'B', 'X', 'Y'};

string guess_sequence (int n) {
  string ans;
  for (int i = 0; i < 4; ++i) {
    if (i == 3 || press(ans + ca[i])) {
      ans += ca[i];
      ca.erase(ca.begin() + i);
      break;
    }
  }
  for (int i = 1; i < n; ++i) {
    for (int j = 0; j < 3; ++j) {
      if (j == 2 || press(ans + ca[j]) == i + 1) {
        ans += ca[j];
        break;
      }
    }
  }
  return ans;
}
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