Exercise 1: Ask the user to enter n number and return the maximum and minimum. Exercise 2: Write a C program to find the reverse of a given string using pointers. Exercise 3: Write a C program in which you define a function that exchanges the contents of two given integers if they have the same sign (both negative or both positive), otherwise, it places the sum of the two in the first integer and their product in the second integer (Use passing by reference). Call this function in main(). Exercise 4: Write a C program to check whether a given string is palindrome or not, using pointers. Exercise 1: Ask the user to enter n number and return the maximum and minimum Exercise 2: Write a C program to find the reverse of a given string using pointers. Exercise 3: Write a C program in which you define a function that exchanges the contents of two given integers if they have the same sign (both negative or both positive), otherwise, it places the sum of the two in the first integer and their product in the second integer (Use passing by reference). Call this function in main(). Exercise 4: Write a C program to check whether a given string is palindrome or not, using pointers