Submission #410204

#	Time	Username	Problem	Language	Result	Execution time	Memory
410204		ernestn	Combo (IOI18_combo)	C++14	0 / 100	1 ms	200 KiB

combo

#include "combo.h"

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

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define ROF(i,a,b) for (int i = (a); i > (b); --i)
#define TRAV(a,x) for (auto& a: x)
#define sz(x) int(x.size())
using ll = long long;
using vi = vector<int>;
using pii = pair<int,int>;
#define pb push_back
const int INF = int(1e9);

char a[4] = {'A', 'B', 'X', 'Y'};

std::string guess_sequence(int N) {
  std::string s = "";
  FOR(n,0,4){
    FOR(p,0,4){
      FOR(q,0,4){
        FOR(r,0,4){
          s=a[n]+a[p]+a[q]+a[r];
          if (press(s)==N) return s;
        }
      }
    }
  }
  return s;
}

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