please in C++ language please in C++ language 1. Ask the user to enter 7 characters and store them in an array. 2. Define and call a function named (is_identical), which checks if all the characters in the array are the same character. bool is identical(char [[], int SIZE); This function should return true if all characters are the same character and return false otherwise. Examples: if the array contains the following elements, the function should return false. if the array contains the following elements, the function should return true. 3. Define and call a function named (is_unique), which checks if there are no repeated characters in the array. This function should return true if all characters are not repeated and return false otherwise. bool is unique(char c[], int SI2E);.