Submission #303828

#	Time	Username	Problem	Language	Result	Execution time	Memory
303828		Gilgamesh	Combo (IOI18_combo)	C++17	10 / 100	62 ms	532 KiB

combo

#include "combo.h"

std::string guess_sequence(int N) {
    std::string ans = "";
    for(int i = 0; i < N; ++i){
        int a = press(ans + "A");
        int b = press(ans + "B");
        if(a == i + 1 || b == i + 1){
            if(a == i + 1){
                ans += "A";
            }
            else ans += "B";
        } else{
            int x = press(ans + "X");
            if(x == i + 1){
                ans += "X";
            }
            else ans += "Y";
        }
    }
    return ans;
}

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