(a) negate (succ (if x == 0 then 1 else 0))
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USING HASKELL
(3) Rewrite the following expressions with function composition operator, (.).
(a) negate (succ (if x == 0 then 1 else 0))
(b) filter even (map (3*) [1..10])
Step by step
Solved in 2 steps
- Except where otherwise stated, any code you write in this question should be in Haskell. (a) Without using explicit recursion, write a function count :: [Int] -> Int to count the number of times the ith entry in a list of integers is smaller than the (i + 1)th entry. For example > сount [1, 2, -1, 4, 5] 3 > count [5, 4, 3] > count []Except where otherwise stated, any code you write in this question should be in Haskell. (a) Without using explicit recursion, write a function count :: [Int] -> Int to count the number of times the ith entry in a list of integers is smaller than the (i + 1)th entry. For example > count [1, 2, -1, 4, 5] 3 > count [5, 4, 3] count LJProgramming in Paradigms Write a recursive Haskell function that takes a list of Integers and a Boolean function which takes one Integer recursively builds up and returns a list of those Integers from the list for which the function returns true For example, if you call the function and send the list [1, 4, -10, 42] and a function that tests whether an Integer is even, it will return the list [4, -10, 42], but if you send the same list and a function that tests whether the Integer is greater than 5, it will return the list [42] Write code to test your function with several lambda expressions.
- for Haskell: explain what the following function someFunc does: someFunc m n = take m ((map (\f -> f n) . map (*)) [1..])For the following C++ code find and write the recurrence relation. You need to model the runtime of function "Func" in terms of n. (only the recurrence relation in terms of n, No output of the code or final runtime analysis is required) s= array L[] start index e= array L[] end index void Func(int L[], int s, int e) { if (s < e) { i=s-1; for (int j = s; j <= e - 1; j++) { if (A[j] <= x) { i++; swap (&L[i], &L[j]); } } swap (&L[i + 1], &L[e]); int k = i+1; Func(L, s, k - 1); Func(L, k + 1, e); } } Please explain how you get the relation Thank you!Write a function in c++ is ordered that takes an integer array and its size as parameters and returns true if the array elements are ordered in nondecreasing order and returns false if not. For example, integers in {10,0,1,1,5,1009} are ordered in nondecreasing order. On the other hand, integers in {1, 2, 3, 8, 4, 19} are not since 8 > 4
- for Haskell: describe what the following function someFunct does someFunct p = foldr (\x xs -> if p x then x:xs else xs) []in Haskell: rewrite the following function in two different ways: 1. as a sequence of transformations using the explicit application operator ($) 2. as a composition of functions using the "dot" composition operator (.) stringToInt s = reverse [ord x - 48 | x <- s] stringToIntRec x (head : tail) = (x * head) + (stringToIntRec' (x*10) tail) stringToIntRec x [] = []In c++ please with clear indentation thank you so much Write the simplest program that will demonstrate iteration vs recursion using the following guidelines - Write two primary helper functions - one iterative (IsArrayPrimeIter) and one recursive (IsArrayPrimeRecur) - each of which Takes an array of integers and its size as input params and returns a bool such that 'true' ==> all elements of the array are prime, so the array is prime, 'false' ==> at least one element in array is not prime, so array is not prime. Print out a message "Entering <function_name>" as the first executed statement of each function. Perform the code to test whether every element of the array is a Prime number. Print out a message "Leaving <function_name>" as the last executed statement before returning from the function. Remember - there will be nested loops for the iterative function and there can be no loops at all in the recursive function. For the recursive function - define one…
- 6. Write a function DOT-PRODUCT that takes two lists, each list has the same number of elements, and produces the dot product of the vectors that they represent. For example, (DOT-PRODUCT '(1.2 2.0 -0.2) '(0.0 2.3 5.0)) -> 3.6 Hint: The key for designing a lisp function is using recursion.For each of the following type expressions, define a Haskell function that has the type. Avoid annotating the type in the function definition. (a) Num c -> (a, b) -> c -> c -> (b, c) (b) (Int, [a]) -> [a)“Dangling and wild pointers are known tobe problems with pointers”. Justify thegiven statement with the help of suitableexamples. in c programming