Submission #500061

#	Time	Username	Problem	Language	Result	Execution time	Memory
500061		LucaIlie	Combo (IOI18_combo)	C++17	10 / 100	69 ms	444 KiB

combo

#include <iostream>
 
#include "combo.h"
 
using namespace std;
 
string guess_sequence( int n ) {
    int i;
    string ans;
 
    for ( i = 1; i <= n; i++ ) {
        if ( (i == 1 || ans[0] != 'A') && press( ans + 'A' ) == i )
            ans += 'A';
        else if ( (i == 1 || ans[0] != 'B') && press( ans + 'B' ) == i )
            ans += 'B';
        else if ( (i == 1 || ans[0] != 'X') && press( ans + 'X' ) == i )
            ans += 'X';
        else
            ans += 'Y';
    }
 
    return ans;
}

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