Question: Write a C++ program that reads input from a text file and counts the number of characters read from the input. If the character read

Write a C++ program that reads input from a text file and counts the number of characters read from the input. If the character read is a letter ('a'-'z'), counts the number of times that letter occurs [using an array] (both uppercase and lowercase should be counted as the same letter) in the input. Output the percentage of each letter in the input text, as well as the percentage of non-letter characters in the input.

Sample input: c.txt

Write a C++ program that reads input from a text file and counts the number of characters read from the input. If the character read is a letter ('a'-'z'), counts the number of times that letter occurs [using an array] (both uppercase and lowercase should be counted as the same letter) in the input. Output the percentage of each letter in the input text, as well as the percentage of non-letter characters in the input.)

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