Submission #933345

#	Time	Username	Problem	Language	Result	Execution time	Memory
933345		Quizmos	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
//int press(std::string p);

std::string guess_sequence(int N)
{
    std::string p="AB", s="";
    char a, b, c;
    
    if(press(p)==0)
    {
        p="X";
        if(press(p)==0)
        {
            s+='Y';
            a='A'; b='B'; c='X';
        }
        else
        {
            s+='X';
            a='A'; b='B'; c='Y';
        }
    }
    else
    {
        p="A";
        if(press(p)==0)
        {
            s+='B';
            a='A'; b='X'; c='Y';
        }
        else
        {
            s+='A';
            a='X'; b='B'; c='Y';
        }
    }
    
    for(int i=1; i<N-1; i++)
    {
        p=s+a+s+b+a+s+b+b+s+b+c;
        int coins=press(p);
        if(coins==s.size())
            s+=c;
        else if(coins==s.size()+1)
            s+=a;
        else
            s+=b;
    }
    
    p=s+a+s+b;
    if(press(p)==s.size()+1)
    {
        p=s+a;
        if(press(p)==s.size()+1)
            s+=a;
        else
            s+=b;
    }
    else
        s+=c;
    return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:9:8: error: 'press' was not declared in this scope
    9 |     if(press(p)==0)
      |        ^~~~~
combo.cpp:41:19: error: 'press' was not declared in this scope
   41 |         int coins=press(p);
      |                   ^~~~~
combo.cpp:42:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   42 |         if(coins==s.size())
      |            ~~~~~^~~~~~~~~~
combo.cpp:44:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         else if(coins==s.size()+1)
      |                 ~~~~~^~~~~~~~~~~~
combo.cpp:51:8: error: 'press' was not declared in this scope
   51 |     if(press(p)==s.size()+1)
      |        ^~~~~