제출 #487731

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
487731		BY_KUTBILIM	Detecting Molecules (IOI16_molecules)	C++17	컴파일 에러	0 ms	0 KiB

molecules

/*
  @AUTHOR: BY_KUTBILIM
  FILE CREATED: 16.11.2021 17:32:18  (GMT+6)
*/
#include "molecules.h"
#include <bits/stdc++.h>
using namespace std;

#define endl      '\n'
#define sz(x)     int((x).size())
#define all(x)    (x).begin(), (x).end()
#define rall(x)   (x).rbegin(), (x).rend()
#define fi        first
#define se        second
#define pb        push_back
using ll = long long;
using pii = pair<int, int>;

string guess_sequence(int n){
	string res;
	int i = 2, q;
	char a = 'A', b = 'B', c = 'Y';
	if(press("XY")){
		if(press("X"))res = "X";
		else res = "Y", c = 'X';
	} else{
		if(press("A"))res = "A", a = 'X';
		else res = "B", b = 'X';
	}
	for (; i < n; i++){
		q = press(res+a+res+b+a+res+b+b+res+b+c);
		if(q==i)res+=a;
		else if(q == i+1)res+=b;
		else res+=c;
	}
	if(i==n){
		if(press(res+a)==n)res+=a;
		else if(press(res+b)==n)res+=b;
		else res+=c;
	}
	return res;
}

컴파일 시 표준 에러 (stderr) 메시지

molecules.cpp: In function 'std::string guess_sequence(int)':
molecules.cpp:23:5: error: 'press' was not declared in this scope; did you mean 'res'?
   23 |  if(press("XY")){
      |     ^~~~~
      |     res
molecules.cpp:31:7: error: 'press' was not declared in this scope; did you mean 'res'?
   31 |   q = press(res+a+res+b+a+res+b+b+res+b+c);
      |       ^~~~~
      |       res
molecules.cpp:37:6: error: 'press' was not declared in this scope; did you mean 'res'?
   37 |   if(press(res+a)==n)res+=a;
      |      ^~~~~
      |      res