Eroare de compilare: user.cpp: In function ‘long long int calcul(int, int, int)’: user.cpp:13:18: error: ‘cb’ was not declared in this scope int col = cb(l); ^ user.cpp: In function ‘long long int cb(int)’: user.cpp:24:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ user.cpp: In function ‘int main()’: user.cpp:28:11: warning: unused variable ‘j’ [-Wunused-variable] int i,j; ^