. a) Write a C++ programs that creates a two-dimensional array or table of characters. The number of rows and number of columns of the array or table should be 15. Fill the array or table with random characters from a to z, and display the array or table of the characters in the console. Search the array or table for counting the number of each character and locate the position where the each character is stored. Generate a text file that contains the array or table of the characters, the number of each character, and the indexes where the each character is stored, for example, a repeats 3 times at (1,2), (2,3), (3,3) c repeats 2 times at (2,2), (5,5) So on.

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