제출 #115386

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
115386		kitoha	콤보 (IOI18_combo)	C++14	5 / 100	2 ms	200 KiB

combo

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

using namespace std;

char key[] = { 'A','B','X','Y' };

string guess_sequence(int N) {
	string s = "";
	char element[3];
	int pos = 0;
	int idx = 0;
	if (press("AB") >= 1) {
		if (press("A") >= 1) {
			s = "A";
			idx = 0;
		}
		else {
			s = "B";
			idx = 1;
		}
	}
	else {
		if (press("XY") >= 1) {
			if (press("X") >= 1) {
				s = "X"; 
				idx = 2;
			}
			else {
				s = "Y";
				idx = 3;
			}
		}
	}

	for (int i = 0; i <= 3; i++) {
		if (idx == i) continue;
		element[pos++] = key[i];
	}

	while(s.size()<=N-2) {
		string p = s + element[0] + element[0] + s + element[0] + element[1] + s + element[0] + element[2] + s + element[1];
		int cnt = press(p);
		if (cnt == s.size() + 2) s = s + element[0];
		else if (cnt == s.size() + 1) s = s + element[1];
		else s = s + element[2];
	}

	while (s.size() != N) {
		if (press(s + element[0]) == s.size() + 1) s = s + element[0];
		else if (press(s + element[1]) == s.size() + 1) s = s + element[1];
		else s = s + element[2];
	}


	return s;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:41:16: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   41 |  while(s.size()<=N-2) {
      |        ~~~~~~~~^~~~~
combo.cpp:44:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |   if (cnt == s.size() + 2) s = s + element[0];
      |       ~~~~^~~~~~~~~~~~~~~
combo.cpp:45:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |   else if (cnt == s.size() + 1) s = s + element[1];
      |            ~~~~^~~~~~~~~~~~~~~
combo.cpp:49:18: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   49 |  while (s.size() != N) {
      |         ~~~~~~~~~^~~~
combo.cpp:50:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   50 |   if (press(s + element[0]) == s.size() + 1) s = s + element[0];
      |       ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~
combo.cpp:51:34: 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 (press(s + element[1]) == s.size() + 1) s = s + element[1];
      |            ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~

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