Submission #1129899

#	Time	Username	Problem	Language	Result	Execution time	Memory
1129899		pedreitorzelda	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;
string guess_sequence(int N){
    string ans;
    vector<char>possible = {'A','B','X','Y'};
    for(int i=0;i<N;i++){
        if(i==0){
            for(int j=0;j<3;j++){
                string q(N,possible[j]);
                int tmp = press(q);
                if(tmp==1){
                    ans+=possible[j];
                    break;
                }
            }if(ans.size()==i)ans+=possible[3];
        }else{
            for(int j=0;j<3;j++){
                string q(N-i-1,ans[0]);
                string qu = ans+possible[j]+q;
                int tmp = press(qu);
                if(tmp==1){
                    ans+=possible[j];
                    break;
                }
            }if(ans.size()==i)ans+=possible[3];
        }
    }
    return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:10:27: error: 'press' was not declared in this scope
   10 |                 int tmp = press(q);
      |                           ^~~~~
combo.cpp:20:27: error: 'press' was not declared in this scope
   20 |                 int tmp = press(qu);
      |                           ^~~~~