Submission #960981

#	Time	Username	Problem	Language	Result	Execution time	Memory
960981		aminjon__	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include<bits/stdc++.h>
using namespace std;
deque<char> button = {'A' , 'B', 'X' , 'Y'};
// string c;
// int N;
// int G = 0;
// int press(string a){
	// G++;
	// int rrv = 0;
	// for(int i = 0;i < a.size();i++){
		// int cnt  = 0;
		// for(int j = i;j < a.size() && (j-i) < c.size();j++){
			// if(a[j] == c[j-i]){
				// cnt++;
				// rrv=max(rrv , cnt);
			// }
			// else{
				// break;
			// }
		// }
	// }
	// return rrv;
// }
string guess_sequence(int N){
	string ans;
	if(press("AB") > 0){
		if(press("A") > 0){
			ans = "A";
			button.erase(button.begin());
		}
		else{
			ans = "B";
			
			button.erase(button.begin()+1);
		}
	}
	else{
		if(press("X") > 0){
			ans = "X";
			button.erase(button.begin()+2);
		}
		else{
			ans = "Y";
			button.erase(button.begin()+3);
		}
	}
	for(int i = 2;i <= N-1;i++){
		int r = press(ans+button[1] + ans+button[2]+button[0]+ans+button[2]+button[1]+ans+button[2]+button[2] );
		ans += button[r - ans.size()];
	}
	if(press(ans+button[0]+ans+button[1]) > ans.size()){
		if(press(ans+button[0]) > ans.size()){
			ans += button[0];
		}
		else{
			ans += button[1];
		}
	}
	else{
		ans += button[2];
	}
	return ans;
	
}
// int main(){
	// cin >> N >> c;
// 	
	// cout<<guess_sequence(N)<<'\n';
	// cout<<G;
	// return 0;
// }

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:26:5: error: 'press' was not declared in this scope
   26 |  if(press("AB") > 0){
      |     ^~~~~
combo.cpp:48:11: error: 'press' was not declared in this scope
   48 |   int r = press(ans+button[1] + ans+button[2]+button[0]+ans+button[2]+button[1]+ans+button[2]+button[2] );
      |           ^~~~~
combo.cpp:51:5: error: 'press' was not declared in this scope
   51 |  if(press(ans+button[0]+ans+button[1]) > ans.size()){
      |     ^~~~~