Submission #583881

#	Time	Username	Problem	Language	Result	Execution time	Memory
583881		LIF	Combo (IOI18_combo)	C++14	10 / 100	60 ms	508 KiB

combo

#include "combo.h"

std::string guess_sequence(int N) {
  std::string p = "";
  int n = N;
  char k[4] = {'A','B','X','Y'};
  for(int i=0;i<n;i++)
  {
	for(int j=0;j<4;j++)
	{
		std:: string ss = p;
		if(k[j] == ss[0]&&ss[0]!=' ')continue;
		ss = ss + k[j];
		int xx = press(ss);
		if(xx == i+1)
		{
			p = p + k[j];
			break;
		}
		
	}
  }
  return p;
}

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