(1) If L₁ and L2 are context free, then it is possible that L₁ L₂ is not context free. True O False

Problem 1. In C/C++ programming language, write down the lines of codes (and figure) to show -(a) assignment-by-sharing(b) dangling referenceProblem 2. Show the correspondingcodecontents in memory for themainmethod and draw thestackcontents while themainmethod starts execution and reaches at line 12. 1 #include<iostream> 2 using namespace std ; 3 int main () 4 { 5 int i ; 6 short j ; 7 char k ; 8 i = 30; 9 j = i ; 10 k = ( char ) j ; 11 i = k ; 12 13 return 0; 14 }   Problem 3. (a) In C++, write down themainmethod including aforloop. The body of theforloop includes the followings :anifconditionan array (of any type & of any size)a structure variable (with at least two variables of any type) (b) Show the correspondingcodecontents in memory for themainmethod and drawthestackcontents while themainmethod starts execution and reaches at theline prior to return from yourmainmethod of Problem 3(a). (c) Create a symbol table structure (dynamic scoping) at the line before…

Question 21 Poor readability and non-sense operations are expected as a result of operator overloading. True False

(b) Explain how Java and Python avoid this ambiguity, and suggest a third way to avoid theambiguity.