1-Write python code that implements an indexed array and an associative array (dictionary). 2- Use examples to explain the two main problems with Pointers 3- What is the output of the following Python code: x=3 y="5" print (x+y)
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- In C++ Create an array of head pointers, statically allocated of size 101 of that type: Now, create a pointer that can point to the first element: Show how to dynamically allocate an array of 101 elements of head pointers: Write the code to initialize each element to NULL: Rewrite the code to initialize each element to NULL using pointer arithmetic:2. Write a program which sorts the CGPA array having cgpa of all students in ascending order by using bubble sort and make use of pointers for each and every variable and constant and array.5. Using c++, Write a function that determines the index of the second to the last occurrence of a target b in an integer array a. Return -1 if b is not in a or there is only 1 occurrence of b in a.
- Create two dynamic arrays A and B with random numbers.a) Merge B in array A calling a function by reference.b) Delete the Prime numbers from the merged array A calling a function by pointer.c) Print the Array A in ascending order.You have to use only two Arrays A and B throughout the code. Be carefulabout memory leakage.Example:A= [20, 30, 5, 7, 19]B= [19, 10, 15, 11, 17, 25] a) After merging B in A, the merged Array A will look like-A= [20, 30, 5, 7, 19, 19, 10, 15, 11, 17, 25] b) After deleting prime numbers the merged Array would look like-A= [20, 30, 10, 15, 25] c) Finally print the merged array in ascending orderA= [10, 15, 20, 30, 25] In C++ PleaseWhat is the difference between void and NULL pointers .Give suitable examples in support of your answer.Give the differences in TABULAR form.Problem 8. What is the correct syntax of declaring array of pointers of integers of size 10 in C++? a) int arr = new int[10]; b) int **arr = new int*[10]; c) int *arr = new int[10]; d) int *arr = new int*[10];
- In C++, how can one easily duplicate a set of shared pointers into another array? Make a list of various solutions to the situation you've been given. Is it true that copying shared pointers also copies the objects they manage? ExplainPointer arithmetic. Implement the following:a. Implement a print function with array and size parameters. This function should print the array using pointer arithmetic.b. Overload the print function to accept array, size and index parameters. If the index is between 1 and size-2 inclusive: Use pointer arithmetic to print: 1. the value at index 2. the value previous to the index 3. the value after the index c. Implement a sum function with array and size parameters. This function should return sum of the array, and use pointer arithmetic.d. Implement a average function with array and size parameters. This function shouldreturn average of the array, and use pointer arithmetic.e. Use provided main function to test your functions. ( Do not change the int main the question has provided. Included a snip of the int main function. Output has to be the same as shown in the snips)Q#1 Write a recursive function printRev ( int a[ ], int s, int e) that receives an integer array a [ ], a start index s, and an end index e. The function should print the array elements in reverse order. void printRev ( int a[ ], int s, int e); Trace your function given the following array and function call. Draw your steps. int a[ ] = {4, 2, 3, 5};and printRev(a, 0, 3); language c++
- 1. The sorted values array contains 16 integers 5, 7, 10, 13, 13, 20, 21, 25, 30,32, 40, 45, 50, 52, 57, 60. Indicate the sequence of recursive calls that are made tobinaraySearch, given an initial invocation of binarySearch(32, 0, 15).show only the recursive calls. For example, initial invocation is binarySearch(45,0,15)where the target is 45, first is 0 and last is 15.Assume that an array double v[10] has been declared and that its first element is at location 3020 in memory. Assume that pointer vPtr has been initialised to point to v[0]. vPtr =V vPtr =&v[0] Assume further that the machine with double bytes is used. What is the value of the following? vPtr +=3 vPtr -=5Make this program in PERL programming, we can use (file, references to array, hash, associative arrays, modules, exporting) Introduction Let us consider the case of the customer database of a supermarket. The problem of searching is examined. It is considered that the database is ready and there is not update operations. The purpose is to search the records using as key the phone number, or the email. Problem Search the database and find the customers. File (customers.txt) Sonto,Peter (508)-555-8930 sontop@aol.com Wood,Ann (510)-666-3450 wooda@zen.org Jones,Jo (230)-552-3420 jonesj@cany.org Jeter,Lin (220)-333-3220 leterl@rain.com Search: Giving the email you can get all the information . You can exit from searching by typing : q (quit). Hint: You have to create the file by a notepad
