제출 #424584

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
424584		Trunkty	콤보 (IOI18_combo)	C++14	100 / 100	42 ms	672 KiB

combo

#include <iostream>
#include "combo.h"
using namespace std;

int x;

string guess_sequence(int N){
	string s;
	if(N==1){
		x = press("A");
		if(x){
			return "A";
		}
		x = press("B");
		if(x){
			return "B";
		}
		x = press("X");
		if(x){
			return "X";
		}
		else{
			return "Y";
		}
	}
	x = press("AB");
	if(x>=1){
		x = press("AX");
		if(x>=1){
			s += "A";
		}
		else{
			s += "B";
		}
	}
	else{
		x = press("AX");
		if(x>=1){
			s += "X";
		}
		else{
			s += "Y";
		}
	}
	if(s=="A"){
		for(int i=2;i<N;i++){
			x = press(s+"BB"+s+"BX"+s+"BY"+s+"X");
			if(x==s.length()+2){
				s += "B";
			}
			else if(x==s.length()+1){
				s += "X";
			}
			else{
				s += "Y";
			}
		}
		x = press(s+"B");
		if(x==N){
			s += "B";
		}
		else{
			x = press(s+"X");
			if(x==N){
				s += "X";
			}
			else{
				s += "Y";
			}
		}
	}
	else if(s=="B"){
		for(int i=2;i<N;i++){
			x = press(s+"AA"+s+"AX"+s+"AY"+s+"X");
			if(x==s.length()+2){
				s += "A";
			}
			else if(x==s.length()+1){
				s += "X";
			}
			else{
				s += "Y";
			}
		}
		x = press(s+"A");
		if(x==N){
			s += "A";
		}
		else{
			x = press(s+"X");
			if(x==N){
				s += "X";
			}
			else{
				s += "Y";
			}
		}
	}
	else if(s=="X"){
		for(int i=2;i<N;i++){
			x = press(s+"AA"+s+"AB"+s+"AY"+s+"B");
			if(x==s.length()+2){
				s += "A";
			}
			else if(x==s.length()+1){
				s += "B";
			}
			else{
				s += "Y";
			}
		}
		x = press(s+"A");
		if(x==N){
			s += "A";
		}
		else{
			x = press(s+"B");
			if(x==N){
				s += "B";
			}
			else{
				s += "Y";
			}
		}
	}
	else{
		for(int i=2;i<N;i++){
			x = press(s+"AA"+s+"AB"+s+"AX"+s+"B");
			if(x==s.length()+2){
				s += "A";
			}
			else if(x==s.length()+1){
				s += "B";
			}
			else{
				s += "X";
			}
		}
		x = press(s+"A");
		if(x==N){
			s += "A";
		}
		else{
			x = press(s+"B");
			if(x==N){
				s += "B";
			}
			else{
				s += "X";
			}
		}
	}
	return s;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:48:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |    if(x==s.length()+2){
      |       ~^~~~~~~~~~~~~~
combo.cpp:51:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   51 |    else if(x==s.length()+1){
      |            ~^~~~~~~~~~~~~~
combo.cpp:75:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |    if(x==s.length()+2){
      |       ~^~~~~~~~~~~~~~
combo.cpp:78:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   78 |    else if(x==s.length()+1){
      |            ~^~~~~~~~~~~~~~
combo.cpp:102:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  102 |    if(x==s.length()+2){
      |       ~^~~~~~~~~~~~~~
combo.cpp:105:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  105 |    else if(x==s.length()+1){
      |            ~^~~~~~~~~~~~~~
combo.cpp:129:8: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  129 |    if(x==s.length()+2){
      |       ~^~~~~~~~~~~~~~
combo.cpp:132:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  132 |    else if(x==s.length()+1){
      |            ~^~~~~~~~~~~~~~

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