#include "message.h"
#include <bits/stdc++.h>
using namespace std;
void send_message(vector<bool> s, vector<bool> c) {
int ij=s.size(), ik=31; vector<bool> k(ij), l;
for(int i=0; i<31; i++)
{
vector<bool> v(31);
for(int j=0; j<31; j++)v[i]=c[i];
send_packet(v);
}
vector<int> mi; for(int i=0; i<31; i++){if(c[i]==0)mi.push_back(i);}
vector<bool> ne; int sz=s.size()+4, r1=16-(sz%16); r1%=16;
for(int i=0; i<4; i++){ne.push_back((r1&1)); r1>>=1;}
for(int i=0; i<s.size(); i++)ne.push_back(s[i]);
r1=16-(sz%16); r1%=16;
for(int i =0; i<r1; i++)
{
ne.push_back(0);
}
int to=ne.size()/16, pr=0;
for(int i=0; i<to; i++)
{
vector<bool> ts(31, 0);
for(int j=0; j<16; j++)ts[mi[j]]=ne[i*16+j];
send_packet(ts);
}
}
vector<bool> receive_message(vector<vector<bool>> r) {
vector<bool> h; int ij=r.size(), i=0;
vector<bool> u=r[0], v=r[1]; vector<int> k;
for(int i=0; i<31&&i<ij; i++)
{
vector<bool> v=r[i]; sort(v.begin(), v.end());
if(v[15]==0)k.push_back(i);
}
vector<bool> a;
for(int i=31; i<ij; i++)
{
for(auto x: k){a.push_back(r[i][x]);}
}
if(a.size()<4) return h;
int y=0;for(int i=3; i>=0; i--){y<<=1; if(a[i])y+=1;}
int ty=a.size(); for(int i=4; i<ty-y; i++)h.push_back(a[i]);
return h;
}
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