Submission #583968

#	Time	Username	Problem	Language	Result	Execution time	Memory
583968		cheissmart	Flight to the Ford (BOI22_communication)	C++17	0 / 100	1 ms	236 KiB

communication

#include"communication.h"
#include <bits/stdc++.h>
#define IO_OP ios::sync_with_stdio(0), cin.tie(0)
#define F first
#define S second
#define V vector
#define PB push_back
#define EB emplace_back
#define MP make_pair
#define SZ(v) int((v).size())
#define ALL(v) (v).begin(), (v).end()

using namespace std;

typedef long long ll;
typedef pair<int, int> pi;
typedef V<int> vi;

const int INF = 1e9 + 7;

vi aux({1, 2, 3, 4, 5, 6, 7, 5, 1, 2, 3, 4, 5});
vi aux2({1, 2, 3, 4, 5, 6, 7, 5, 1, 2, 3, 4, 5});

void encode(int n, int x) {
    for(int i = 0; i < SZ(aux); i++) {
        for(int j = 0; j < aux[i]; j++) {
            if(send(0)) {
                send(x > 1);
                return;
            }
        }

        for(int j = 0; j < aux2[i]; j++)
            send(x);
    }
}

std::pair<int, int> decode(int n) {
    int cnt[2] = {};
    for(int i = 0; i < SZ(aux); i++) {
        for(int j = 0; j < aux[i]; j++) {
            if(receive()) {
                int x = receive();
                return {x + 1, x + 2};
            }
        }
        for(int j = 0; j < aux2[i]; j++)
            cnt[receive()]++;
    }
    if(cnt[0] > cnt[1]) return {1, 2};
    else return {2, 3};
}

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