Submission #737777

#	Time	Username	Problem	Language	Result	Execution time	Memory
737777		Elvin_Fritl	Combo (IOI18_combo)	C++17	Compilation error	0 ms	0 KiB

combo

#include <bits/stdc++.h>
using namespace std;
#include "combo.h"

string guess_sequence(int N) {
  string s;
  vector<char>v;
  if(press("A")==1){
    s+='A';
    v.push_back('B');
    v.push_back('Y');
    v.push_back('X');
  }
  else if(press("B")==1){
    s+='B';
    v.push_back('A');
    v.push_back('Y');
    v.push_back('X');
  }
  else if(press("X")==1){
      s+='X';
    v.push_back('B');
    v.push_back('Y');
    v.push_back('A');
  }
  else{
      s+='Y';
    v.push_back('B');
    v.push_back('A');
    v.push_back('X');
  }

  for(int i=1;i<n;i++){
    for(char i:v){
        if(press(s+i)==i+1){
            s+=i;
            break;
        }
    }
  }


  return S;
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:33:17: error: 'n' was not declared in this scope
   33 |   for(int i=1;i<n;i++){
      |                 ^
combo.cpp:43:10: error: 'S' was not declared in this scope
   43 |   return S;
      |          ^