Submission #787168

#	Time	Username	Problem	Language	Result	Execution time	Memory
787168		resolve100	Combo (IOI18_combo)	C++14	0 / 100	3067 ms	256 KiB

combo

#include<bits/stdc++.h>
#include "combo.h"
#define ll long long
#define ull unsigned ll
#define pb push_back
#define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0)

using namespace std;


string guess_sequence(int N){
    string chars[] = {"A", "B", "X", "Y"};
    bool used[4]; for (int i = 0; i < 4; i++) used[i] = false;

    string out;
    for (int i = 0; i < 4; i++){
        int num = press(chars[i]);
        if (num){
            out+=chars[i];
            used[i] = true;
            break;
        }
    }

    for (int i = 1; i < N; i++){
        for (int j = 0; j < 4; i++){
            if (used[j]) continue;
            int num = press(out+chars[j]);
            if (num > i){
                out+=chars[i];
                break;
            }
        }
    }

    return out;
}

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