Submission #234025

#	Time	Username	Problem	Language	Result	Execution time	Memory
234025		Binyomin	Combo (IOI18_combo)	C++14	0 / 100	1 ms	200 KiB

combo

# include <bits/stdc++.h>
# include "combo.h"

using namespace std ;

string guess_sequence(int N) {
    vector < char > a = { 'A', 'B', 'X', 'Y' } ;
    char x ;
    string ans = "", p = "";
    int cnt = 0 , ok = 0 ;

    while( cnt != N ) {
        for( int i = 0 ; i < 4 ; i ++ ) {
            if( ok && x == a[i] ) continue ;

            if( press( ans + a[i] ) ) {
                cnt ++ ;
                ans += a[i] ;
                if( !ok ) x = a[i] ;
            }

        }
    }

    return ans ;
}

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