Submission #1099085

#	Time	Username	Problem	Language	Result	Execution time	Memory
1099085		LIA	Flight to the Ford (BOI22_communication)	C++17	0 / 100	4 ms	332 KiB

communication

#include "communication.h"

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair <ll, ll> pll;
typedef vector <ll> vll;
typedef vector <pll> vpll;
typedef vector<vector<pll>> vvpll;
typedef vector <vector<ll>> vvll;
typedef vector<bool> vb;
typedef vector <vector<bool>> vvb;
const ll inf = 1e9 + 7;


using namespace std;
typedef long long ll;

void encode(int N, int X) {
    if (N == 3) {
        if (X == 1) {
            send(0);
            send(0);
        } else if (X == 2) {
            send(0);
            send(1);
        } else if (X == 3) {
            send(1);
            send(1);
        }
    }
}

pair<int, int> decode(int N) {
    vector<int> signals;
    for (int i = 0; i < 2; ++i) {
        signals.push_back(receive());
    }

    if (signals[0] == 0 && signals[1] == 0) {
        return {1, 2};
    } else if (signals[0] == 0 && signals[1] == 1) {
        return {2, 3};
    } else if (signals[0] == 1 && signals[1] == 0) {
        return {1, 3};
    } else {
        return {3, 2};
    }
}

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