Submission #78796

#TimeUsernameProblemLanguageResultExecution timeMemory
78796patcasraresCombo (IOI18_combo)C++14
5 / 100
2 ms204 KiB
#include<iostream>
#include "combo.h"
using namespace std;
string guess_sequence(int N)
{
    int r,poz=0,cnt=-1,n=N;
    string a[3],cand[4]={"A","B","X","Y"};
    string q,rez;
    q="AB";
    r=press(q);
    if(r)
        poz=0;
    else
        poz=2;
    q=cand[poz];
    r=press(q);
    if(r==0)
        poz++;
    for(int i=0;i<4;i++)
        if(i!=poz)
        {
            cnt++;
            a[cnt]=cand[i];
        }
    rez=cand[poz];
    cnt=1;
    poz=2;
    for(int i=2;i<n;i++)
    {
        q=rez+a[0];
        q=q+rez;
        q=q+a[1];
        q=q+a[0];
        q=q+rez;
        q=q+a[1];
        q=q+a[1];
        q=q+rez;
        q=q+a[1];
        q=q+a[2];
        r=press(q);
        if(r==i-1)
        {
            rez=rez+a[2];
            continue;
        }
        if(r==i)
        {
            rez=rez+a[0];
            continue;
        }
        rez=rez+a[1];
    }
    q=rez+a[0];
    q=q+rez;
    q=q+a[1];
    r=press(q);
    if(r==n)
    {
        q=rez+a[0];
        r=press(q);
        if(r==n)
            rez=rez+a[0];
        else
            rez=rez+a[1];
    }
    else
        rez=rez+a[2];
    return rez;
}

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