#include "message.h"
#include <bits/stdc++.h>
using namespace std;
void send_message(std::vector<bool> M, std::vector<bool> C) {
vector<int> pos;
int cnt = 0;
while (true) {
send_packet(vector<bool>(31, C[cnt]));
if (!C[cnt]) {
pos.push_back(cnt);
}
cnt++;
if (pos.size() == 2) {
break;
}
}
int now = cnt;
while (now < 31) {
int len = pos.size();
vector<bool> v(31);
for (int i = now; i < min(now + len, 31); i++) {
v[pos[i-now]] = C[i];
if (!C[i]) {
pos.push_back(i);
}
}
send_packet(v);
now += len;
}
int need = 1040 - M.size() - 1;
vector<bool> s(need, false);
s.push_back(true);
for (bool x : M) {
s.push_back(x);
}
for (int i = 0; i < 1040; i += 16) {
vector<bool> v(31);
for (int j = i; j < i + 16; j++) {
v[pos[j-i]] = s[j];
}
send_packet(v);
}
}
std::vector<bool> receive_message(std::vector<std::vector<bool>> R) {
vector<bool> ans;
vector<int> pos;
int cnt = 0;
while (true) {
int sum = 0;
for (bool x : R[cnt]) {
sum += x;
}
if (sum < 16) {
pos.push_back(cnt);
}
cnt++;
if (pos.size() == 2) {
break;
}
}
int now = cnt;
while (now < 31) {
int len = pos.size();
for (int i = now; i < min(now + len, 31); i++) {
bool x = R[cnt][pos[i-now]];
if (!x) {
pos.push_back(i);
}
}
now += len;
cnt++;
}
bool flag = false;
for (int i = cnt; i < R.size(); i++) {
for (int j = 0; j < 16; j++) {
if (flag) {
ans.push_back(R[i][pos[j]]);
}
if (R[i][pos[j]]) {
flag = true;
}
}
}
return ans;
}
