제출 #719419

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
719419		AndrijaM	콤보 (IOI18_combo)	C++14	0 / 100	0 ms	208 KiB

combo

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

using ll=long long;

using namespace std;


string guess_sequence(int n)
{
    vector<string>v;
    v.push_back("A");
    v.push_back("B");
    v.push_back("X");
    v.push_back("Y");
    string ans="";
    bool ok=false;
    string c="";
    if(!ok && press("A"))
    {
        ok=true;
        v.erase(v.begin()+0);
        c="A";
        ans+='A';
    }
    if(!ok && press("B"))
    {
        ok=true;
        v.erase(v.begin()+1);
        c="B";
        ans+='B';
    }
    if(!ok && press("X"))
    {
        ok=true;
        c="X";
        v.erase(v.begin()+2);
        ans+='X';
    }
    if(!ok && press("Y"))
    {
        ok=true;
        c="Y";
        v.erase(v.begin()+3);
        ans+='Y';
    }
    int k=1;
    while(true)
    {
        string nstr=ans+v[0]+c+ans+v[1]+v[0]+ans+v[1]+v[1]+ans+v[1]+v[2];
        if(nstr.size()<=4*n)
        {
            int kol=press(nstr);
            if(kol==k)
            {
                ans+=v[2];
            }
            else if(kol==k+1)
            {
                ans+=v[0];
            }
            else if(kol==k+2)
            {
                ans+=v[1];
            }
        }
        else
        {
            if(press(ans+v[0])==n)
            {
                ans+=v[0];
            }
            if(press(ans+v[1])==n)
            {
                ans+=v[1];
            }
            if(press(ans+v[2])==n)
            {
                ans+=v[2];
            }
            break;
        }
        k=ans.size();
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:51:23: warning: comparison of integer expressions of different signedness: 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   51 |         if(nstr.size()<=4*n)
      |            ~~~~~~~~~~~^~~~~

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