#include "message.h"
#include <bits/stdc++.h>
using namespace std;
void send_message(std::vector<bool> M, std::vector<bool> C) {
for (int i = 0; i < 31; ++i)
{
C[i] = !C[i];
}
int message_size = M.size();
M.resize(1025);
M[message_size] = true;
int ind = 0;
for (int i = 0; i < 31; i++){
vector<bool> A(31);
int j = i-1;
if (j < 0) j = 30;
while (C[j] == false){
j--;
if (j < 0) j = 30;
}
A[j] = C[i];
for (int k = 0; k < 31; k++){
if (k == j) continue;
if (C[k]) A[k] = M[ind++];
}
send_packet(A);
}
for (int i = 31; i < 66; i++){
vector<bool> A(31);
for (int k = 0; k < 31; k++){
if (C[k]) A[k] = M[ind++];
}
send_packet(A);
}
}
std::vector<bool> receive_message(std::vector<std::vector<bool>> R) {
vector<bool> C(31,false);
for (int x = 0; x < 31; x++){
vector<int> trust;
int i = x;
trust.push_back(i);
vector<bool> vis(31, false);
vis[i] = true;
for (int _ = 0; _ < 15; _++){
for (int j = 1; j < 31; j++){
if (vis[(trust.back()+j)%31]) continue;
if (R[(trust.back()+j)%31][trust.back()] == 1){
vis[(trust.back()+j)%31] = true;
trust.push_back((trust.back()+j)%31);
break;
}
}
}
if (trust.size() == 16 && R[trust[0]][trust.back()]){
for (auto it : trust){
C[it] = 1;
}
bool boolean=true;
for (int i = 0; i < 31; i++){
int j = i-1;
if (j < 0) j = 30;
while (C[j] == 0){
j--;
if (j < 0) j = 30;
if (i == j) break;
}
if (i == j){
boolean=false;
break;
}
if (R[i][j] != C[i]){
boolean=false;
break;
}
}
if (!boolean){
for (auto it : trust){
C[it] = 0;
}
continue;
}
break;
}
}
vector<bool> ret;
for (int i = 0; i < 31; i++){
int j = i-1;
if (j < 0) j = 30;
while (C[j] == false){
j--;
if (j < 0) j = 30;
}
for (int k = 0; k < 31; k++){
if (k == j) continue;
if (C[k]) ret.push_back(R[i][k]);
}
}
for (int i = 31; i < 66; i++){
for (int k = 0; k < 31; k++){
if (C[k]) ret.push_back(R[i][k]);
}
}
while (ret.back() == false) ret.pop_back();
ret.pop_back();
return ret;
}
