#include "communication.h"
using namespace std;
void encode(int N, int X){
send((X==1));
send((X==2));
send((X==2));
send((X==1));
}
pair<int,int> decode(int N){
bool b1 = receive(), b2 = receive(), b3 = receive(), b4 = receive();
if(b2 == b3){
if(b2){
return {1,2};
}
return {1,3};
}
if(b1 == b4){
if(b1) return {1,2};
return {2,3};
}
if(b1 == b2){
return {1,2};
}
return {2,3};
}
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