Submission #908659

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
908659	2024-01-16 15:59:38	GrandTiger1729	Flight to the Ford (BOI22_communication)	C++17	90 / 100	2125 ms	3184 KiB

communication

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include "communication.h"
#include <bits/stdc++.h>
using namespace std;
void encode(int N, int X)
{
    int ans = 0;
    vector<int> res[2];
    int x = 0;
    res[0].push_back(0);
    int re[4]{};
    bool f = 0;
    for (int y = 1; y <= 29; y++)
    {
        if (1 << y > N)
        {
            break;
        }
        if (!f)
        {
            re[0] = send(X >> x & 1);
        }
        re[1] = send(X >> y & 1);
        re[2] = send(X >> y & 1);
        if (re[1] == re[2])
        {
            ans ^= re[1] << y;
            f = 0;
            continue;
        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Compilation message (stderr)

communication.cpp: In function 'std::pair<int, int> decode(int)':
communication.cpp:60:9: warning: variable 'x' set but not used [-Wunused-but-set-variable]
   60 |     int x = 0;
      |         ^

• Subtask 1: 15 / 15
• Subtask 2: 75.000005 / 85