Submission #704362

#	Time	Username	Problem	Language	Result	Execution time	Memory
704362		emeralddd	Combo (IOI18_combo)	C++14	10 / 100	57 ms	448 KiB

combo

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

std::string guess_sequence(int N) {
    srand(time(NULL));
    string p = "";
    char ch[]={'A','B','X','Y'};
    for(int i=0; i<N; i++) {
        p+=" ";
        random_shuffle(ch,ch+4);
        for(int j=0; j<4; j++) {
            p[i]=ch[j];
            int coins=press(p);

//            cout<<p<<" "<<coins<<endl;

            if(coins==i+1) break;
        }
    }

    return p;
}

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