Eroare de compilare: user.cpp:8:5: error: redefinition of ‘int B’ int B ^ user.cpp:6:5: error: ‘int B’ previously declared here int B ; ^ user.cpp:10:5: error: expected primary-expression before ‘if’ if (l>k) return 0; ^ user.cpp:10:5: error: expected ‘}’ before ‘if’ user.cpp:12:5: error: expected unqualified-id before ‘if’ if (a[l]==2) {++l; r=B ;} ^ user.cpp:13:5: error: expected unqualified-id before ‘else’ else ^