Submission #705910

#	Time	Username	Problem	Language	Result	Execution time	Memory
705910		mseebacher	Combo (IOI18_combo)	C++17	30 / 100	41 ms	564 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
 
string guess_sequence(int n) {
 	string s = "";
	 vector<char> se = {'A','B','X','Y'};
	 if(press("A")){
			s = "A";
	 }else if(press("B")){
			s = "B";
	 }else if(press("X")){
			s = "X";
	 }else{
			s = "Y";
	 }
	 se.erase(find(se.begin(),se.end(),s[0]));
	 while(s.length() != n){
		if(press(s+se[0]) == s.length()+1){
			s+= se[0];
		}else if(press(s+se[1]) == s.length()+1){
			s+= se[1];
		}else{
			s+= se[2];
		}
		
	 }
	 
	 return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:18:20: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   18 |   while(s.length() != n){
      |         ~~~~~~~~~~~^~~~
combo.cpp:19:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |   if(press(s+se[0]) == s.length()+1){
      |      ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
combo.cpp:21:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   21 |   }else if(press(s+se[1]) == s.length()+1){
      |            ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~

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