Submission #925213

#	Time	Username	Problem	Language	Result	Execution time	Memory
925213		dranjohn	Flight to the Ford (BOI22_communication)	C++17	15 / 100	26 ms	3208 KiB

communication

#include "communication.h"
#include <iostream>

void encode(int N, int X) {
    --X;
    if (N > 3) return;

    int position = 0;
    int depth = 0;
    while (depth < 2) {
        int intent = 0;
        if (position != (X + 2) % 3) intent = 1;

        if (send(intent) == 0) {
            ++position;
            position %= 3;
        }
        else ++depth;
    }

    // std::cerr << "Finish on position " << position << '\n';
}

std::pair<int, int> decode(int N) {
    int position = 0;
    int depth = 0;
    while (depth < 2) {
        if (receive() == 0) {
            ++position;
            position %= 3;
        }
        else ++depth;
    }

    // std::cerr << "Finish on position " << position << '\n';

    return { position + 1, (position + 2) % 3 + 1 };
}

• Subtask 1: 15 / 15
• Subtask 2: 0 / 85