Submission #534525

#	Time	Username	Problem	Language	Result	Execution time	Memory
534525		Abdulmohsen1284	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
std::string guess_sequence(int N) {
    string g,s;
    g="AB";
    long long ans=press(g);
    if(ans==1)
    {
        g="A";
        ans=press(g);
        if(ans==1)
            s="A";
        else
            s="B";
    }
    else
    {
        g="X";
        ans=press(g);
        if(ans==1)
            s="X";
        else
            s="Y";
    }
    char a[4];
    long long cur=0;
    string chek="ABXY";
    for(int i=0;i<chek.size();i++)
    {
        if(s[0]!=chek[i])
        {
            a[cur]=chek[i];
            cur++;
        }
    }
    for(int i=1;i<N-1;i++)
    {
        string rn;
        rn=s+chek[0];
        for(int j=0;j<3;j++)
            rn+=s+check[1]+chek[j];
        ans=press(rn);
        if(ans==s.size())
        {
            s+=chek[2];
        }
        if(ans==s.size()+1)
        {
            s+=chek[0];
        }
        if(ans==s.size()+2)
        {
            s+=chek[1];
        }
    }
    if(N!=1)
    {
        string rn=s+"A"+s+"B";
        ans=press(rn);
        if(ans==s.size()+1)
        {
            rn=s+"A";
            ans=press(rn);
            if(ans==s.size()+1)
                s+="A";
            else
                s+="B";
        }
        else
        {
            rn=s+"X";
            ans=press(rn);
            if(ans==s.size()+1)
                s+="X";
            else
                s+="Y";
        }
    }
    return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:29:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i=0;i<chek.size();i++)
      |                 ~^~~~~~~~~~~~
combo.cpp:42:19: error: 'check' was not declared in this scope; did you mean 'chek'?
   42 |             rn+=s+check[1]+chek[j];
      |                   ^~~~~
      |                   chek
combo.cpp:44:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         if(ans==s.size())
      |            ~~~^~~~~~~~~~
combo.cpp:48:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         if(ans==s.size()+1)
      |            ~~~^~~~~~~~~~~~
combo.cpp:52:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |         if(ans==s.size()+2)
      |            ~~~^~~~~~~~~~~~
combo.cpp:61:15: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |         if(ans==s.size()+1)
      |            ~~~^~~~~~~~~~~~
combo.cpp:65:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   65 |             if(ans==s.size()+1)
      |                ~~~^~~~~~~~~~~~
combo.cpp:74:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |             if(ans==s.size()+1)
      |                ~~~^~~~~~~~~~~~