Submission #155588

#	Time	Username	Problem	Language	Result	Execution time	Memory
155588		bukanYohandi	Combo (IOI18_combo)	C++14	30 / 100	81 ms	576 KiB

combo

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

std::string guess_sequence(int N) {
  int coins,piv;
  std::string S = "";
  while(S.length()<N){
  	  piv=S.length();
  	  coins=press(S+'A'+S+'B');
	  if(coins>piv){
	  	coins=press(S+'A');
	  	if(coins>S.length()) S+="A";
	  	else S+="B";
	  } else {
	  	coins=press(S+'X');
	  	if(coins>S.length()) S+="X";
	  	else S+="Y";
	  }
  }
  return S;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:7:19: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
    7 |   while(S.length()<N){
      |         ~~~~~~~~~~^~
combo.cpp:12:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     if(coins>S.length()) S+="A";
      |        ~~~~~^~~~~~~~~~~
combo.cpp:16:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |     if(coins>S.length()) S+="X";
      |        ~~~~~^~~~~~~~~~~

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