Submission #595465

#TimeUsernameProblemLanguageResultExecution timeMemory
595465BlagojceFlight to the Ford (BOI22_communication)C++17
Compilation error
0 ms0 KiB
#include <bits/stdc++.h> #define fr(i, n, m) for(int i = (n); i < (m); i ++) #define st first #define nd second #define pb push_back #define pq priority_queue #define all(x) begin(x), end(x) using namespace std; typedef long long ll; typedef long double ld; typedef pair<int,int> pii; #include "communication.h" vector<int> V = {1,1,0,0,1,0,0,0,0,0,1,1,1,1,1,1,1,0,1,0,1,0,0,1,0,0,1,0,0,1,1,0,1,0,1,0,1,1,1,0,1,1,0,1,1,0,1,1,1,0,1,0,0,1,1,1,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,1,0,1,1,0,0,0,0,0,0,1,0,0,1,0,1,1,0,0,0,1,1}; //bool aux[250]; /* vector<int> v; int send(int x){ cout<<x<<" SENDED"<<endl; int c; cin >> c; v.pb(c); return c; } int P = 0; int receive(){ cout<<"SEND ME"<<endl; int c; return v[P++]; } */ void encode(int N, int X){ srand(N); int pos = 0; while(pos < 30){ int bit = 0; if(X & (1<<pos)) bit = 1; int c = rand() + pos; int nxt = V[c%100]; if(c % 4){ int r = send(nxt); if(r != nxt){ send(bit); ++pos; } } else{ int r1 = send(bit); int r2 = send(bit); int r3 = send(bit); int r4 = send(bit); if(r1 == r2 || r2 == r3 || r3 == r4){ ++pos; } } } } std::pair<int, int> decode(int N){ srand(N); int pos = 0; int X = 0; int CC = 0; while(pos < 30){ int c = rand() + pos; int nxt = V[c%100]; if(c % 4){ ++C; if(C > 250)cout<<2/0<<endl; int r = receive(); if(r != nxt){ ++C; if(C > 250)cout<<2/0<<endl; int bit = receive(); if(bit == 1) X |= (1<<pos); ++pos; } } else{ ++C; if(C > 250)cout<<2/0<<endl; int r1 = receive(); ++C; if(C > 250)cout<<2/0<<endl; int r2 = receive(); ++C; if(C > 250)cout<<2/0<<endl; int r3 = receive(); ++C; if(C > 250)cout<<2/0<<endl; int r4 = receive(); if(r1 == r2){ if(r1 == 1) X |= (1<<pos); ++pos; } else if(r2 == r3){ if(r2 == 1) X |= (1<<pos); ++pos; } else if(r3 == r4){ if(r3 == 1) X |= (1<<pos); ++pos; } } } return {X, 1}; }/* int main(){ encode(10, 1); decode(10); } */

Compilation message (stderr)

communication.cpp: In function 'std::pair<int, int> decode(int)':
communication.cpp:85:6: error: 'C' was not declared in this scope
   85 |    ++C;
      |      ^
communication.cpp:86:22: warning: division by zero [-Wdiv-by-zero]
   86 |    if(C > 250)cout<<2/0<<endl;
      |                     ~^~
communication.cpp:92:23: warning: division by zero [-Wdiv-by-zero]
   92 |     if(C > 250)cout<<2/0<<endl;
      |                      ~^~
communication.cpp:101:6: error: 'C' was not declared in this scope
  101 |    ++C;
      |      ^
communication.cpp:102:22: warning: division by zero [-Wdiv-by-zero]
  102 |    if(C > 250)cout<<2/0<<endl;
      |                     ~^~
communication.cpp:107:22: warning: division by zero [-Wdiv-by-zero]
  107 |    if(C > 250)cout<<2/0<<endl;
      |                     ~^~
communication.cpp:112:22: warning: division by zero [-Wdiv-by-zero]
  112 |    if(C > 250)cout<<2/0<<endl;
      |                     ~^~
communication.cpp:117:22: warning: division by zero [-Wdiv-by-zero]
  117 |    if(C > 250)cout<<2/0<<endl;
      |                     ~^~
communication.cpp:77:6: warning: unused variable 'CC' [-Wunused-variable]
   77 |  int CC = 0;
      |      ^~