Submission #849457

#	Time	Username	Problem	Language	Result	Execution time	Memory
849457		Bach21	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for (int i = 0; i < (n); i++)

const int M = 4;
const char LET[] = "ABXY";

string guess_sequence(int N) {
  int len[M];
  string s;

  REP(i, N) {
    REP(j, M) {
      len[j] = press(s + LET[j]);
    }
    REP(j, M) {
      if (len[j] == i+1) {
        s += LET[j];
        break;
      }
    }
  }

  return s;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:14:16: error: 'press' was not declared in this scope
   14 |       len[j] = press(s + LET[j]);
      |                ^~~~~