Submission #232217

#	Time	Username	Problem	Language	Result	Execution time	Memory
232217		jhtan	Combo (IOI18_combo)	C++14	Compilation error	0 ms	0 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

combo

using namespace std;

string guess_sequence(int N) {
  string p, s = "";

  if (press("A") == 1) s += "A";
  if (press("B") == 1) s += "B";
  if (press("X") == 1) s += "X";
  if (press("Y") == 1) s += "Y";

  if (press(s + "A") == 2) s += "A";
  if (press(s + "B") == 2) s += "B";
  if (press(s + "X") == 2) s += "X";
  if (press(s + "Y") == 2) s += "Y";

  if (press(s + "A") == 3) s += "A";
  if (press(s + "B") == 3) s += "B";
  if (press(s + "X") == 3) s += "X";
  if (press(s + "Y") == 3) s += "Y";

  return s;
}

Compilation message (stderr)

combo.cpp:3:1: error: 'string' does not name a type
    3 | string guess_sequence(int N) {
      | ^~~~~~