encoder.cpp: In function 'void encode(int, int*)':
encoder.cpp:5:48: warning: unused variable 'part' [-Wunused-variable]
5 | void encode(int N, int M[]){ int i, j, pot, part,num; for(i=0; i<N; i++) { num=0; pot=1; if(M[i]==255) { num=i; num=num<<2; num+=0; send(num); send(num); send(num); send(num); continue; } else if(M[i]==254) { num=i; num=num<<2; num+=1; send(num); send(num); send(num); send(num); continue; } else if(M[i]==251) { num=i; num=num<<2; num+=2; send(num); send(num); send(num); send(num); continue; } else if(M[i]==239) { num=i; num=num<<2; num+=3; send(num); send(num); send(num); send(num); continue; } else if(M[i]==191) { num=i; num=num<<2; num+=0; send(num); send(num); send(num); send(num); send(num); continue; } for(j=0; j<4; j++) { num=i; num=num<<2; num+=j; if((M[i]&pot)>0&&(M[i]&(pot*2))>0) { send(num); send(num); send(num); } else if((M[i]&pot)>0) { send(num); } else if((M[i]&(pot*2))>0) { send(num); send(num); } pot*=2; pot*=2; } }}
| ^~~~
decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:5:48: warning: unused variable 'a' [-Wunused-variable]
5 | void decode(int N, int L, int X[]){ int i,j,a,b,pos,par,num; vector<vector<int>>v(N,vector<int>(4,0)); for(i=0; i<L; i++) { pos=X[i]; pos=pos>>2; par=(X[i]^(pos<<2)); v[pos][par]++; } for(i=0; i<N; i++) { num=0; if(v[i][0]==4) { output(255); continue; } else if(v[i][1]==4) { output(254); continue; } else if(v[i][2]==4) { output(251); continue; } else if(v[i][3]==4) { output(239); continue; } else if(v[i][0]==5) { output(191); continue; } for(j=3; j>=0; j--) { if(v[i][j]==3) { num=num<<1; num++; num=num<<1; num++; } else if(v[i][j]==1) { num=num<<2; num++; } else if(v[i][j]==2) { num=num<<1; num++; num=num<<1; } else { num=num<<2; } } output(num); }}
| ^
decoder.cpp:5:50: warning: unused variable 'b' [-Wunused-variable]
5 | void decode(int N, int L, int X[]){ int i,j,a,b,pos,par,num; vector<vector<int>>v(N,vector<int>(4,0)); for(i=0; i<L; i++) { pos=X[i]; pos=pos>>2; par=(X[i]^(pos<<2)); v[pos][par]++; } for(i=0; i<N; i++) { num=0; if(v[i][0]==4) { output(255); continue; } else if(v[i][1]==4) { output(254); continue; } else if(v[i][2]==4) { output(251); continue; } else if(v[i][3]==4) { output(239); continue; } else if(v[i][0]==5) { output(191); continue; } for(j=3; j>=0; j--) { if(v[i][j]==3) { num=num<<1; num++; num=num<<1; num++; } else if(v[i][j]==1) { num=num<<2; num++; } else if(v[i][j]==2) { num=num<<1; num++; num=num<<1; } else { num=num<<2; } } output(num); }}
| ^