Submission #348543

#	Time	Username	Problem	Language	Result	Execution time	Memory
348543		Halogen	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>

std::string guess_sequence(int N) {
	char lst[4] = {'A', 'B', 'X', 'Y'};
  std::string p = "";
  int first = 4;

	for (int j = 0; j < N; j++) {
    if (press(p + lst[0] + p + lst[1]) >= p.size() + 1) {
        if (press(p + lst[0]) == p.size() + 1) p += lst[0];
        else p += lst[1];
    }
    else if (press(p + lst[2]) == p.size() + 1) p += lst[2];
    else p += lst[3];
	}

	return p;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:9:9: error: 'press' was not declared in this scope
    9 |     if (press(p + lst[0] + p + lst[1]) >= p.size() + 1) {
      |         ^~~~~
combo.cpp:6:7: warning: unused variable 'first' [-Wunused-variable]
    6 |   int first = 4;
      |       ^~~~~