Submission #293821

#	Time	Username	Problem	Language	Result	Execution time	Memory
293821		Saboon	Combo (IOI18_combo)	C++17	0 / 100	1 ms	200 KiB

combo

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

map<char,char> mp;

string guess_sequence(int n){
	string p;
	if (press("AB") > 0){
		if (press("A")) p = "A";
		else p = "B";
	}
	else{
		if (press("X")) p = "X";
		else p = "Y";
	}
	char fi = p[0];
	mp['A'] = 'A', mp['B'] = 'B', mp['X'] = 'X', mp['Y'] = 'Y';
	mp[fi] = 'A', mp['A'] = fi;
	for (int i = 1; i < n-1; i++){
		string Tmp = (p + mp['B']) + (p+mp['X']+mp['B']) + (p+mp['X']+mp['X']) + (p+mp['X']+mp['Y']);
		int t = press(Tmp);
		if (t == p.size())
			p += mp['Y'];
		else if (t == p.size()+1)
			p += mp['B'];
		else
			p += mp['X'];
	}
	if (press(p+mp['B']) == n)
		p += 'B';
	else if (press(p+mp['X']) == n)
		p += 'X';
	else
		p += 'Y';
	return p;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:23:9: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   if (t == p.size())
      |       ~~^~~~~~~~~~~
combo.cpp:25:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   else if (t == p.size()+1)
      |            ~~^~~~~~~~~~~~~

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