#include"communication.h" #include <vector> using namespace std; void encode(int N, int X) { if(X == 1) { send(0); send(0); send(0); send(0); } else if(X == 2) { send(1); send(1); send(1); send(1); } else { send(0); send(1); send(1); send(0); } } std::pair<int, int> decode(int N) { vector < int > v; v.push_back(receive()); v.push_back(receive()); v.push_back(receive()); v.push_back(receive()); bool has11 = false; for(int i = 1; i < 4; i++) { if(v[i - 1] == 1 && v[i] == 1) has11 = true; } if(has11) return {2, 3}; return {1, 3}; }