Submission #1297890

#TimeUsernameProblemLanguageResultExecution timeMemory
1297890scalifrastico_098Message (IOI24_message)C++20
0 / 100
199 ms800 KiB
#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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