Submission #75261

#	Time	Username	Problem	Language	Result	Execution time	Memory
75261		Sherazin	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>

using namespace std;

char c[4] = { 'A', 'B', 'X', 'Y' };

string guess_sequence(int N) {
	string ans;
	for(int i = 0; i < 4; i++) if(press(string(1, c[i]))) ans = string(1, c[i]);
	for(int i = 1; i < N; i++) for(int j = 0; j < 4; j++) if(c[j] != ans[0] && press(ans+c[j]) == i+1) ans += c[j];
	return ans;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:9:32: error: 'press' was not declared in this scope
    9 |  for(int i = 0; i < 4; i++) if(press(string(1, c[i]))) ans = string(1, c[i]);
      |                                ^~~~~
combo.cpp:10:77: error: 'press' was not declared in this scope
   10 |  for(int i = 1; i < N; i++) for(int j = 0; j < 4; j++) if(c[j] != ans[0] && press(ans+c[j]) == i+1) ans += c[j];
      |                                                                             ^~~~~