Submission #800606

#	Time	Username	Problem	Language	Result	Execution time	Memory
800606		iskhakkutbilim	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;

#define ff first
#define ss second
#define all(a) a.begin(), a.end()
/*

int press(string s){
	return 1;
}
*/

string guess_sequence(int N){
	string ans = "";
	if(press("A") == 1){
		ans.push_back('A');
	}else if(press("B") == 1){
		ans.push_back('B');
	}else if(press("X") == 1){
		ans.push_back('X');
	}else{
		ans.push_back('Y');
	}
	set<char> chars;
	chars.insert('A');
	chars.insert('B');
	chars.insert('X');
	chars.insert('Y');
	chars.erase(ans[0]);
	
	for(int i = 2;i <= N; i++){
		for(char ch : chars){
			if(press(ans+ch) == i){
				ans.push_back(ch);
				break;
			}
		}
	}
	if((int)ans.size() != N) assert(false);
	return ans;
}



/*

main(){
	int n; cin >> n;
	cout << guess_sequence(n);
	
	
	return 0;
}
*/

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:16:5: error: 'press' was not declared in this scope
   16 |  if(press("A") == 1){
      |     ^~~~~
combo.cpp:34:7: error: 'press' was not declared in this scope
   34 |    if(press(ans+ch) == i){
      |       ^~~~~