Submission #1324403

#	Time	Username	Problem	Language	Result	Execution time	Memory
1324403		riafhasan2010	Combo (IOI18_combo)	C++17	30 / 100	11 ms	432 KiB

combo

#include "combo.h"
using namespace std;

string guess_sequence(int N) {
  string alpha, p = "";
  if (press("A")) p += 'A', alpha = "BXY";
  else if (press("B")) p += 'B', alpha = "AXY";
  else if (press("X")) p += 'X', alpha = "ABY";
  else p += 'Y', alpha = "ABX";
  for (int i = 1; i < N; i++) {
    if (press(p + alpha[0]) == i + 1) p += alpha[0];
    else if (press(p + alpha[1]) == i + 1) p += alpha[1];
    else p += alpha [2];
  }
  return p;
}

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