Submission #1178675

#	Time	Username	Problem	Language	Result	Execution time	Memory
1178675		shirokito	Combo (IOI18_combo)	C++20	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define el '\n'

string guess_sequence(int N) {
    vector<char> lst_c = { 'A', 'B', 'X', 'Y' };
    string cur = "";
    for (int i = 1; i <= N; i++) {
        for (char c: lst_c) {
            if (press(cur + c) == i) {
                cur += c;
                break;
            }
        }
    }
    return cur;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:11:17: error: 'press' was not declared in this scope
   11 |             if (press(cur + c) == i) {
      |                 ^~~~~