Submission #742165

#	Time	Username	Problem	Language	Result	Execution time	Memory
742165		computerbox	Combo (IOI18_combo)	C++14	5 / 100	1 ms	336 KiB

combo

#include "combo.h"
#include <bits/stdc++.h>
using namespace std;
string guess_sequence(int N) {
  vector<char>buttons;
  buttons.push_back('A');
  buttons.push_back('X');
  buttons.push_back('Y');
  buttons.push_back('B');
  for(int i = 0; i < 4; i++)
  {
    for(int j = 0; j < 4; j++)
    {
      for(int k = 0; k < 4; k++)
      {
        if(i == j || i == k)continue;
        string s = "";
        s += buttons[i];
        s += buttons[j];
        s += buttons[k];
        int o = press(s);
        if(o == 3)return s;
      }
    }
  }
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:5:15: warning: control reaches end of non-void function [-Wreturn-type]
    5 |   vector<char>buttons;
      |               ^~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 95