Implement the following recursive function processString, which receives as parameters a string str, a single character ch, and the length of the string n. processString function replaces each occurrence of ch in the str with its uppercase
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- c++ A palindrome is a string that reads the same both forward and backward. For example, the string "madam" is a palindrome. Write a program that uses a recursive function to check whether a string is a palindrome. Your program must contain a value-returning recursive function that returns true if the string is a palindrome and false otherwise. Do not use any global variables; use the appropriate parameter.In C++ Write a recursive function that displays a string reversely on the console using the following header:void reverseDisplay(const string& s) For example, reverseDisplay("abcd") displays dcba. Write a test programthat prompts the user to enter a string and displays its reversal.Write a recursive C function that returns the uppercase letters of the string named str by storing them in the cap variable. The prototype of the function should be: void F (char * str, * char cap); we use devC ASAP
- Write a c++ code. Write a recursive function, vowelsCount that returns the number of vowels in a string. Output must needed.Write a function in c called recursively_reverse_string() that accepts a pointer to a string as a parameter, and any other parameters you see fit, recursively reverses the string, and returns a pointer to the reversed string. For example, the reversed string of input “string” is “gnirts”.Write a recursive function to print all the permutations of a string. For example, for the string abc, the printout is:abcacbbacbcacabcba(Hint: Define the following two functions. The second function is a helper function.def displayPermuation(s):def displayPermuationHelper(s1, s2): The first function simply invokes displayPermuation(" ", s). The secondfunction uses a loop to move a character from s2 to s1 and recursively invokes t with a new s1 and s2. The base case is that s2 is empty and prints s1 to the console.)Write a test program that prompts the user to enter a string and displays all its permutations.
- A palindrome is a string that reads the same forwards or backwards; for example dad, mom, deed are palindromes (i.e., reversing a palindrome produces the same string). Use C++ Programing language Write a recursive, boolean-valued function, isPalindrome that takes a string as a parameter and returns whether the string is a palindrome. A string, s, is a palindrome if: s is the empty string or s consists of a single letter (which reads the same back or forward), or the first and last characters of s are the same, and the rest of the string (i.e., the second through next-to-last characters) form a palindrome. Write a test program that reads a string from the standard input device and outputs whether the input string is a palindrome or not.3. A palindrome is a sentence that contains the same sequence of letters read-ing it either forwards or backwards. A classic example is "Able was I, ere I saw Elba." Write a recursive function that detects whether a string is a palindrome. The basic idea is to check that the first and last letters of the string are the same letter; if they are, then the entire string is a palindrome if everything between those letters is a palindrome. There are a couple of special cases to check for. If either the first or last character of the string is not a letter, you can check to see if the rest of the string is a palindrome with that character removed. Also, when you compare letters, make sure that you do it in a case-insensitive way. Use your function in a program that prompts a user for a phrase and then tells whether or not it is a palindrome. Here's another classic for testing: "A man, a plan, a canal, Panama!"write a recursive version. The function takes two string parameters, s1 and s2 and returns the starting index of s2 inside the first string s1, or -1 if s2 is not found in s1. You must not use any loops; you also cannot use the string member functions find or rfind. You may use the member functions size, at and substr. Your function must be recursive.
- In C programing Write a recursive function that returns the product of the digits of its integer input parameter, n. You may assume that n is non-negative. For example, productDigits(243) should return 24, since 2 x 4 x 3 = 24.int productDigits (int n) {A palindrome is a string that reads the same both forward and backward. For example, the string "madam" is a palandrome. Write a program that uses a recursive function to check whether a string is a palindrome. Yourprogram must contain a value returning recursive function that returns true is the string is a palindrome andfalse otherwise. Do not use any global variables; use the appropriate parameters.c program, The greatest common divisor (GCD) of two integers (of which at least one is nonzero) is the largest positive integer that divides the numbers. Write a C function gcd that accepts two integers and returns -1 if both integers are zero, otherwise it returns their GCD. Write a C program (that includes the function gcd) which accepts two integers and prints their GCD. Do not use a recursive function