Submission #750139

#	Time	Username	Problem	Language	Result	Execution time	Memory
750139		tlnk07	콤보 (IOI18_combo)	C++17	0 / 100	1 ms	256 KiB

combo

#include<bits/stdc++.h>
#include<combo.h>
using namespace std;

string guess_sequence(int N)
{
	string s;
	string c[10];
	int hm = press("AB");
	if(hm == 0)
	{
		if(press("C") == 0)
		{
			s += 'Y';
			c[1] = 'A';	c[2] = 'B';	c[3] = 'X';
		}
		else
		{
			s += 'X';
			c[1] = 'A';	c[2] = 'B';	c[3] = 'Y';
		}
	}
	else if(hm == 1)
	{
		if(press("A") == 0)
		{
			s += 'B';
			c[1] = 'A';	c[2] = 'Y';	c[3] = 'X';
		}
		else
		{
			s += 'A';
			c[1] = 'X';	c[2] = 'B';	c[3] = 'Y';
		}
	}
	else
	{
		s += "AB";
	}
	while(s.size() < N - 1)
	{
		string temp = s + c[1] + c[1] + s + c[1] + c[2] + s + c[2] + c[1];
		int inp = press(temp);
		if(inp == s.size())
		{
			s += c[3];
		}
		else if(inp == s.size() + 1)
		{
			string temp1 = s + c[2] + c[2];
			int inp1 = press(temp1);
			if(inp1 == s.size() + 2)
			{
				s = temp1;
			}
			else if(inp1 == s.size() + 1)
			{
				s += c[2] + c[3];
			}
			else
			{
				s += c[1] + c[3];
			}
		}
		else
		{
			string temp1 = s + c[1] + c[1];
			int inp1 = press(temp1);
			if(inp1 == s.size() + 2)
			{
				s = temp1;
			}
			else if(inp1 == s.size() + 1)
			{
				s += c[1] + c[2];
			}
			else
			{
				s += c[2] + c[1];
			}
		}
	}
	if(s.size() == N)
	{
		return s;
	}
	else
	{
		string temp = s + c[1];
		if(press(temp) == N)
		{
			return temp;
		}
		else
		{
			temp = s + c[2];
			if(press(temp) == N)
			{
				return temp;
			}
			else
			{
				return s + c[3];
			}
		}
	}
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:40:17: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   40 |  while(s.size() < N - 1)
      |        ~~~~~~~~~^~~~~~~
combo.cpp:44:10: 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(inp == s.size())
      |      ~~~~^~~~~~~~~~~
combo.cpp:48:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |   else if(inp == s.size() + 1)
      |           ~~~~^~~~~~~~~~~~~~~
combo.cpp:52:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |    if(inp1 == s.size() + 2)
      |       ~~~~~^~~~~~~~~~~~~~~
combo.cpp:56:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |    else if(inp1 == s.size() + 1)
      |            ~~~~~^~~~~~~~~~~~~~~
combo.cpp:69:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   69 |    if(inp1 == s.size() + 2)
      |       ~~~~~^~~~~~~~~~~~~~~
combo.cpp:73:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   73 |    else if(inp1 == s.size() + 1)
      |            ~~~~~^~~~~~~~~~~~~~~
combo.cpp:83:14: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   83 |  if(s.size() == N)
      |     ~~~~~~~~~^~~~

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