제출 #695788

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
695788	2023-02-05 07:56:03	finn__	Flight to the Ford (BOI22_communication)	C++17	70 / 100	4174 ms	2008 KiB

communication

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#include <bits/stdc++.h>
#include "communication.h"
using namespace std;
#define MAX_BITS 30
// 0 -> 0000, 1 -> 0110, 2 -> 1001, 3 -> 1111
int e[4] = {0, 6, 9, 15};
// The inverse of e including errors.
pair<int, int> d[16] = {{0, 2},  // 0000
                        {0, 2},  // 0001
                        {0, 1},  // 0010
                        {1, 2},  // 0011
                        {0, 1},  // 0100
                        {0, 3},  // 0101
                        {1, 3},  // 0110
                        {1, 3},  // 0111
                        {0, 2},  // 1000
                        {0, 2},  // 1001
                        {0, 3},  // 1010
                        {2, 3},  // 1011
                        {1, 2},  // 1100
                        {2, 3},  // 1101
                        {1, 3},  // 1110
                        {1, 3}}; // 1111
int bit_reverse(int N, int X)
{
    int Y = 0;
    for (int i = 0; i < N; i++)
 
 
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• Subtask 1: 15 / 15
• Subtask 2: 55.000015000000005 / 85