Submission #690610

#	Time	Username	Problem	Language	Result	Execution time	Memory
690610		saayan007	Combo (IOI18_combo)	C++17	0 / 100	50 ms	208 KiB

combo

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

using ll = long long;
using pi = pair<int, int>;
using pl = pair<long long, long long>;
using vi = vector<int>;
using vl = vector<long long>;
using vpi = vector<pair<int, int>>;
using vpl = vector<pair<long long, long long>>;

#define fur(i, a, b) for(ll i = a; i <= (ll)b; ++i)
#define ruf(i, a, b) for(ll i = a; i >= (ll)b; --i)
#define fr first 
#define sc second
#define mp make_pair
#define pb emplace_back
#define nl "\n"
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()

string guess_sequence(int N) {
    char c[] = {'A', 'B', 'X', 'Y'};
    fur(i, 0, (1 << 6) - 1) {
        ll store = i;
        string s;
        fur(j, 0, 2) {
            s.push_back(c[i&j]);
            i /= 4;
        }
        if(press(s) == 3) {
            return s;
        }
        i = store;
    }
}

Compilation message (stderr)

combo.cpp: In function 'std::string guess_sequence(int)':
combo.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type]
   37 | }
      | ^

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