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Write a program to input integer n, the output is shown below the diamond by the numbers. Input array 44, the preparation of the program: (1) find the diagonal elements (2) find the diagonal up, the column subscript are an even number of elements of the plot (3) find its value on the diagonal elements and its location in the array. An integer n using recursive method to convert a string. For example, enter 483, you should output the string " 483" . the median uncertainty in n can be any digit whole there is a string containing n characters. Write a function to copy from the first m characters of all the characters in this string into another string.