Submission #1188075

#	Time	Username	Problem	Language	Result	Execution time	Memory
1188075		mohyay	Combo (IOI18_combo)	C++20	10 / 100	18 ms	436 KiB

combo

#include <string>
using namespace std;
#define pb push_back

int press(string p);

string guess_sequence(int N) {
    string s;
    while (s.size() < N) {
        s.pb('A');
        if (press(s) == s.size()) continue;
        else s.pop_back();
        s.pb('B');
        if (press(s) == s.size()) continue;
        else s.pop_back();
        s.pb('X');
        if (press(s) == s.size()) continue;
        else s.pop_back();
        s.pb('Y');
        if (press(s) == s.size()) continue;
        else s.pop_back();
    }
    return s;
}

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