Explain the features of the following program. EXAMPLE: PROC OPTIONS(MAIN): DCL BIT_STRING BIT(4) VARYING; GET LIST(BIT_STRING): IF BIT STRING--0 THEN PUT LIST (BIT_STRING, NOT ALL BITS ARE ZERO'); ELSE PUT LIST(BIT_STRING,'ALL BITS ARE ZERO END EXAMPLE,

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C++ Code:  Write a program that finds word differences between two sentences. The input begins with an integer indicating the number of words in each sentence. The next input line is the first sentence and the following input line is the second sentence. Assume that the two sentences have the same number of words and no more than 20 words each. The program displays word pairs that differ between the two sentences. One pair is displayed per line. Ex: If the input is: 6 Smaller cars get better gas mileage Tiny cars get great fuel economy then the output is: Smaller Tiny better great gas fuel mileage economy Add a function named ReadSentences to read the input sentences into two string vectors. void ReadSentences(vector<string>& sentence1Words, vector<string>& sentence2Words, int wordCount) main() already contains code to read the word count and call ReadSentences(). Complete main() to display differing word pairs.

Using c++ Contact list: Binary Search   A contact list is a place where you can store a specific contact with other associated information such as a phone number, email address, birthday, etc. Write a program that first takes as input an integer N that represents the number of word pairs in the list to follow. Word pairs consist of a name and a phone number (both strings). That list is followed by a name, and your program should output the phone number associated with that name. Define and call the following function. The return value of FindContact is the index of the contact with the provided contact name. If the name is not found, the function should return -1 This function should use binary search. Modify the algorithm to output the count of how many comparisons using == with the contactName were performed during the search, before it returns the index (or -1). int FindContact(ContactInfo contacts[], int size, string contactName) Ex: If the input is: 3 Frank 867-5309 Joe…