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Computer Heaps Difficulty: Medium

What does the 'std::reverse' algorithm do in C++ STL? What will be the output after the following program is compiled and executed? public class Test{ public static void main(String args[]){ int x = 10; x = myMethod(x--); System.out.print(x); } static int myMethod(final int x){ return x--; } } What does the itertools module in Python provide? PHP has long supported two regular expression implementations known as _______ and _______. 1. Perl 2. PEAR 3. Pearl 4. POSIX What is the functionality of the following piece of code? Select the most appropriate. public void function(int data) { int flag = 0; if( head != null) { Node temp = head.getNext(); while((temp != head) && (!(temp.getItem() == data))) { temp = temp.getNext(); flag = 1; break; } } if(flag) System.out.println("success"); else System.out.println("fail"); }