Submission #196908

#	Time	Username	Problem	Language	Result	Execution time	Memory
196908		Dilshod_Imomov	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include "combo.h"

string guess_sequence(int N) {
  string S, p;
  vector < string > a = {"A", "B", "X", "Y"};
  for ( int i = 0; i < N; i++ ) {
    for ( int j = 0; j < 4; j++ ) {
      if ( press(S + a[j]) == i + 1 ) {
        S += a[j];
        break;
      }
    }
  }
  return S;
}

Compilation message (stderr)

combo.cpp:3:1: error: 'string' does not name a type; did you mean 'stdin'?
    3 | string guess_sequence(int N) {
      | ^~~~~~
      | stdin