Design a semantically secure encryption scheme to be used by two english literature scholars, william and mary. being literature scholars, william and mary only use english characters plus space, comma and period (53 characters in all). furthermore, wiliam and mary insist that ciphertexts will only consist of the same

Describe in pseudocode an algorithm that given an integer n and a linked list of elements increases the linked list by a factor of n by replacing each element in the original list with n copies of that element. for example, if l: [18, 7, 4, 24, 11] and n = 3 the resulting list should be l: [18, 18, 18, 7, 7, 7, 4, 4, 4, 24, 24, 24, 11, 11, 11]. if the value of n is less than or equal to 0, the list should be empty after the call. what’s the running time of your algorithm?

Which of these is a benefit of social networking? oa. hiding your true identity from friendsob. avoiding talking to people in personoc. spending time with friends instead of studyingod. connecting with new people

The three logical operators used to write compound conditions are "and," "or," and "not." a: true b: false