Submission #614261

#	Time	Username	Problem	Language	Result	Execution time	Memory
614261		Plurm	Flight to the Ford (BOI22_communication)	C++17	0 / 100	364 ms	1684 KiB

communication

#include "communication.h"
#include <bits/stdc++.h>
using namespace std;

void sendbit(int bit) {
  for (int i = 0; i < 100; i++)
    send((i % 2) ^ bit);
}

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

int recbit() {
  int cnt[2];
  cnt[0] = cnt[1] = 0;
  for (int i = 0; i < 100; i++) {
    cnt[receive() ^ (i % 2)]++;
  }
  return cnt[0] > cnt[1] ? 0 : 1;
}

std::pair<int, int> decode(int N) { return {1, (recbit() ? 2 : 3)}; }

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