답안 #319721

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
319721	2020-11-06T10:01:10 Z	Pety	콤보 (IOI18_combo)	C++14	컴파일 오류	0 ms	0 KB

combo

#include <bits/stdc++.h>
#include "combo.h"

using namespace std;

string guess_sentence (int n) {
  string p;
  char other1, other2, other3;
  if (press("AB")) {
    if (press("A")) {
      p += 'A';
      other1 = 'B'; other2 = 'X'; other3 = 'Y';
    }
    else {
      p += 'B';
      other1 = 'A'; other2 = 'X'; other3 = 'Y';
    }
  }
  else {
    if (press("X")) {
      p += 'X';
      other1 = 'B'; other2 = 'A'; other3 = 'Y';
    }
    else {
      p += 'Y';
      other1 = 'B'; other2 = 'X'; other3 = 'A';
    }
  }
  for (int i = 1; i <= n - 2; i++) {
    string query = p + other1 + p + other2 + other1 + p + other2 + other2 + p + other2 + other3;
    int x = press(query);
    if (x == i) p += other3;
    if (x == i + 1) p += other1;
    if (x == i + 2) p += other2;
  }
  if (press(p + other1) == n)
    return p + other1;
  if (press(p + other2) == n)
    return p + other2;
  return p + other3;
}

Compilation message

/usr/bin/ld: /tmp/cc3qcuHP.o: in function `main':
grader.cpp:(.text.startup+0x4c): undefined reference to `guess_sequence[abi:cxx11](int)'
collect2: error: ld returned 1 exit status