Eroare de compilare: user.cpp: In function ‘void back(int, int, int&)’: user.cpp:39:48: error: expected ‘;’ before ‘[’ token if(v[k-1]==pas[k-1]||v[k-1]==-1)&&v[k] back(k+1,n,sol); ^ user.cpp:39:45: warning: statement has no effect [-Wunused-value] if(v[k-1]==pas[k-1]||v[k-1]==-1)&&v[k] back(k+1,n,sol); ^ user.cpp:39:47: error: label ‘v’ used but not defined if(v[k-1]==pas[k-1]||v[k-1]==-1)&&v[k] back(k+1,n,sol); ^