Submission #983571

#	Time	Username	Problem	Language	Result	Execution time	Memory
983571		user736482	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

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


string guess_sequence(int N){
    string result;
    int guessresult;
    guessresult = press("AB");
    if(guessresult){
        guessresult = press("A");
        if(guessresult)
            result = "A";
        else
            result = "B";
    }
    else{
        guessresult = press("X");
        if(guessresult)
            result = "X";
        else
            result = "Y";
    }
    if(N==1)
        return result;
    if(result[0]=='A')
        for(int i=0;i<N-2;i++){
            guessresult = press(result + "B" + result + "XB" + result + "XX" + result + "XY");
            if(guessresult == (int)result.size()-1){
                result.push_back('B');
            }
            else if(guessresult == (int)result.size()){
                result.push_back('Y');
            }
            else{
                result.push_back('X');
            }
        }
    if(result[0]=='B')
        for(int i=0;i<N-2;i++){
            guessresult = press(result + "A" + result + "XA" + result + "XX" + result + "XY");
            if(guessresult == (int)result.size()-1){
                result.push_back('A');
            }
            else if(guessresult == (int)result.size()){
                result.push_back('Y');
            }
            else{
                result.push_back('X');
            }
        }
    else if(result[0]=='X')
        for(int i=0;i<N-2;i++){
            guessresult = press(result + "B" + result + "AB" + result + "AA" + result + "AY");
            if(guessresult == (int)result.size()-1){
                result.push_back('B');
            }
            else if(guessresult == (int)result.size()){
                result.push_back('Y');
            }
            else{
                result.push_back('A');
            }
        }
    else if(result[0]=='Y')
        for(int i=0;i<N-2;i++){
            guessresult = press(result + "B" + result + "XB" + result + "XX" + result + "XA");
            if(guessresult == (int)result.size()-1){
                result.push_back('B');
            }
            else if(guessresult == (int)result.size()){
                result.push_back('A');
            }
            else{
                result.push_back('X');
            }
        }
    guessresult = press(result+"A"+result+"B");
    if(guessresult == N){
        guessresult = press(result+"A");
        if(guessresult == N)
            result.push_back('A');
        else
            result.push_back('B');
    }
    else{
        guessresult = press(result+"X");
        if(guessresult == N)
            result.push_back('X');
        else
            result.push_back('Y');
    }
    return result;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:8:19: error: 'press' was not declared in this scope
    8 |     guessresult = press("AB");
      |                   ^~~~~