Submission #749918

#	Time	Username	Problem	Language	Result	Execution time	Memory
749918		vjudge1	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 ans;
    vector<string> c = {"A", "B", "X", "Y"};
    for(int i = 0; i < n; i++){
        for(string j : c){
            if(press(ans + j) == i+1){ans += j; break;}
        }
    }
    return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:9:16: error: 'press' was not declared in this scope
    9 |             if(press(ans + j) == i+1){ans += j; break;}
      |                ^~~~~