Submission #759132

#	Time	Username	Problem	Language	Result	Execution time	Memory
759132		ivaziva	Combo (IOI18_combo)	C++14	30 / 100	41 ms	456 KiB

combo

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

using namespace std;

long long n;

string guess_sequence(int N)
{
    n=N;
    char pocetno_slovo=' ';
    string s;
    if (press("X")==1) pocetno_slovo='X';
    else if (press("Y")==1) pocetno_slovo='Y';
    else if (press("A")==1) pocetno_slovo='A';
    else pocetno_slovo='B';
    s.push_back(pocetno_slovo);
    for (long long i=2;i<=n;i++)
    {
        if (pocetno_slovo=='X')
        {
            if (press(s+'Y')==s.size()+1) s.push_back('Y');
            else if (press(s+'A')==s.size()+1) s.push_back('A');
            else s.push_back('B');
        }
        if (pocetno_slovo=='Y')
        {
            if (press(s+'X')==s.size()+1) s.push_back('X');
            else if (press(s+'A')==s.size()+1) s.push_back('A');
            else s.push_back('B');
        }
        if (pocetno_slovo=='A')
        {
            if (press(s+'X')==s.size()+1) s.push_back('X');
            else if (press(s+'Y')==s.size()+1) s.push_back('Y');
            else s.push_back('B');
        }
        if (pocetno_slovo=='B')
        {
            if (press(s+'X')==s.size()+1) s.push_back('X');
            else if (press(s+'Y')==s.size()+1) s.push_back('Y');
            else s.push_back('A');
        }
    }
    return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:22:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |             if (press(s+'Y')==s.size()+1) s.push_back('Y');
      |                 ~~~~~~~~~~~~^~~~~~~~~~~~
combo.cpp:23:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |             else if (press(s+'A')==s.size()+1) s.push_back('A');
      |                      ~~~~~~~~~~~~^~~~~~~~~~~~
combo.cpp:28:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |             if (press(s+'X')==s.size()+1) s.push_back('X');
      |                 ~~~~~~~~~~~~^~~~~~~~~~~~
combo.cpp:29:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |             else if (press(s+'A')==s.size()+1) s.push_back('A');
      |                      ~~~~~~~~~~~~^~~~~~~~~~~~
combo.cpp:34:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |             if (press(s+'X')==s.size()+1) s.push_back('X');
      |                 ~~~~~~~~~~~~^~~~~~~~~~~~
combo.cpp:35:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |             else if (press(s+'Y')==s.size()+1) s.push_back('Y');
      |                      ~~~~~~~~~~~~^~~~~~~~~~~~
combo.cpp:40:29: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |             if (press(s+'X')==s.size()+1) s.push_back('X');
      |                 ~~~~~~~~~~~~^~~~~~~~~~~~
combo.cpp:41:34: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |             else if (press(s+'Y')==s.size()+1) s.push_back('Y');
      |                      ~~~~~~~~~~~~^~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 25 / 95