Submission #644554

#TimeUsernameProblemLanguageResultExecution timeMemory
644554tigarCombo (IOI18_combo)C++14
5 / 100
1 ms208 KiB
#include "combo.h"
#include <bits/stdc++.h>

using namespace std;

string guess_sequence(int N)
{
    string rezz="";
    char slova[]={'A', 'B', 'X', 'Y'};
    int begg=0;
    int br=press("AB");
    if(br>=1)
    {
        br=press("A");
        if(br==1){rezz+="A"; begg=0;}
        else {rezz+="B"; begg=1;}
    }
    else if(br==0)
    {
        br=press("X");
        if(br==1){rezz+="X"; begg=2;}
        else {rezz+="Y"; begg=3;}
    }

    for(int i=1; i<N-1; i++)
    {
        string prs=rezz+slova[(begg+1)%4]+slova[(begg+1)%4];
        prs+=rezz+slova[(begg+1)%4]+slova[(begg+2)%4];
        prs+=rezz+slova[(begg+1)%4]+slova[(begg+3)%4];
        prs+=rezz+slova[(begg+2)%4];
        int lnght=press(prs);
        if(lnght==i+2)rezz+=slova[(begg+1)%4];
        else if(lnght==i+1)rezz+=slova[(begg+2)%4];
        else rezz+=slova[(begg+3)%4];
    }
    int num=press(rezz+slova[(begg+1)%4]+rezz+slova[(begg+2)%4]);
    if(num==N-1)rezz+=slova[(begg+3)%4];
    else if(num==N)
    {
        num=press(rezz+slova[(begg+1)%4]);
        if(num==N-1)rezz+=slova[(begg+2)%4];
        else if(num==N)rezz+=slova[(begg+1)%4];
    }
    return rezz;
}
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