Submission #1211305

#	Time	Username	Problem	Language	Result	Execution time	Memory
1211305		lukasuliashvili	Combo (IOI18_combo)	C++20	0 / 100	0 ms	408 KiB

combo

#include<bits/stdc++.h>
#include "combo.h"
using namespace std;

std::string guess_sequence(int N) {
    /*A B X Y*/
    string p="";
    string p1="AB";
    int ans=press(p1);
    if (ans==1) {
        p+="A";
    }
    if (ans==2) {
        p+="AB";
    }
    if (ans==0) {
        string p2="X";
        int ans2=press(p2);
        if (ans2==1) {
            p+=p2;
        }
        else {
            p+="Y";
        }
    }
    string fix1, fix2, fix3;

    if (p[0] == 'X') {
        fix1 = "A";
        fix2 = "B";
        fix3 = "Y";
    }
    if (p[0] == 'Y') {
        fix1 = "A";
        fix2 = "B";
        fix3 = "X";
    }
    if (p[0] == 'A') {
        fix1 = "X";
        fix2 = "B";
        fix3 = "Y";
    }
    if (p[0] == 'B') {
        fix1 = "A";
        fix2 = "X";
        fix3 = "Y";
    }

    while (p.size()!=N) {
        string pnext=p+fix1+p+fix2+fix3+p+fix2+fix1+p+fix2+fix2;// 0 - fix3      1-fix1     2-fix2
        int count=press(pnext);
        if (count==p.size()+0) {
            p+=fix3;
        }
        if (count==p.size()+1) {
            p+=fix1;
        }
        if (count==p.size()+2) {
            p+=fix2;
        }
    }
    return p;


}

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