Submission #763872

#	Time	Username	Problem	Language	Result	Execution time	Memory
763872		ind1v	Combo (IOI18_combo)	C++11	30 / 100	37 ms	580 KiB

combo

#include <bits/stdc++.h>
#include "combo.h"

using namespace std;

string guess_sequence(int n) {
  string ans;
  for (int i = 1; i <= n; i++) {
    string cope = ans + 'A' + ans + 'B';
    int d = press(cope);
    if (d >= i) {
      cope = ans + 'A';
      d = press(cope);
      if (d >= i) {
        ans += 'A';
      } else {
        ans += 'B';
      }
    } else {
      cope = ans + 'X';
      d = press(cope);
      if (d >= i) {
        ans += 'X';
      } else {
        ans += 'Y';
      }
    }
  }
  return ans;
}

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95