#include "message.h"
#include <bits/stdc++.h>
using namespace std;
void send_message(std::vector<bool> M, std::vector<bool> C) {
int pos = 0;
for (int i = 0; i < 31; i++) {
if (!C[i]) {
pos = i;
break;
}
}
for (int i = 0; i < 5; i++) {
bool x = (pos & (1 << i));
send_packet(vector<bool>(31, x));
}
int need = 1035 - M.size() - 1;
vector<bool> a(need, 0);
a.push_back(1);
for (bool x : M) {
a.push_back(x);
}
vector<int> p;
for (int i = 0; i < 31; i++) {
if (!C[i] && i != pos) {
p.push_back(i);
}
}
for (int i = 0, k = 0; i < 1035; i += 15, k++) {
vector<bool> v(31);
for (int j = 0; j < 15; j++) {
v[p[j]] = a[i+j];
}
if (k < 31) {
v[pos] = C[k];
}
send_packet(v);
}
}
std::vector<bool> receive_message(std::vector<std::vector<bool>> R) {
vector<bool> ans;
int pos = 0;
for (int i = 4; i >= 0; i--) {
int sum = 0;
for (bool x : R[i]) {
sum += x;
}
pos = pos * 2 + (sum >= 16);
}
vector<int> p;
for (int i = 5, k = 0; i < 36; i++, k++) {
if (!R[i][pos] && k != pos) {
p.push_back(k);
}
}
bool flag = false;
for (int i = 5; i < R.size(); i++) {
for (int j = 0; j < 15; j++) {
if (flag) {
ans.push_back(R[i][p[j]]);
}
if (R[i][p[j]]) {
flag = true;
}
}
}
return ans;
}
