Submission #1121920

#	Time	Username	Problem	Language	Result	Execution time	Memory
1121920		vjudge1	Flight to the Ford (BOI22_communication)	C++17	15 / 100	80 ms	3076 KiB

communication

#include"communication.h"

void encode(int n, int x) {
    send((x == 1));
    send((x == 2));
    send((x == 2));
    send((x == 1));
}

std::pair<int, int> decode(int N) {
    bool a = receive(), b = receive(), c = receive(), d = receive();
    if(b == c) {
        if(b) {
            return {1, 2};
        }
        return {1, 3};
    }
    if(a == d) {
        if(a) {
            return {1, 2};
        }
        return {2, 3};
    }
    if(a == b) {
        return {1, 2};
    }
    return {2, 3};
}

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