Submission #139690

#	Time	Username	Problem	Language	Result	Execution time	Memory
139690		Bazarkuly2003	Combo (IOI18_combo)	C++14	0 / 100	2 ms	336 KiB

combo

#include "combo.h"
#include<bits/stdc++.h>
using namespace std;
string guess_sequence(int N){
string s,q,t;
int m,k;
if(press("AB")==1){
if(press("A")==1){s="A";q="BXY";}else{s="B";q="AXY";}}else
if(press("X")==1){s="X";q="ABY";}else{s="Y";q="ABX";}
k=1;
while(k<N){
	
	if(k*4+7>N*4){
	m=press(s+q[0]+q[1]);
	if(m==k+2){s+=q[0]+q[1];k+=2;}else
		if(m==k+1){if(press(s+q[0])==k+1){s+=q[0];k++;} else{s+=q[1];k++;}
	}else if(m==k){s+=q[2];k++;}
		}
	
	else{
t=s+q[0]+q[0]+s+q[0]+q[1]+s+q[0]+q[2]+s+q[1];
m=press(t);
if(m==k+0){s+=q[2];k++;}else
if(m==k+1){s+=q[1];k++;}else 
if(m==k+2){s+=q[0];k++;}
}
 return s;
}
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:5:10: warning: control reaches end of non-void function [-Wreturn-type]
    5 | string s,q,t;
      |          ^

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