Submission #1324400

#	Time	Username	Problem	Language	Result	Execution time	Memory
1324400		riafhasan2010	Combo (IOI18_combo)	C++17	0 / 100	1 ms	388 KiB

combo

#include "combo.h"
using namespace std;

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 = 0; i < N; i++) {
    p += p[0];
    for (int j = 0; j < 2; j++) {
      p[i] = alpha[j];
      if (press(p) == i + 1) {
        break;
      }
      p[i] = alpha[2];
    }
  }
  return p;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 95