Write a program in C++ that reads a text file containing floating-point numbers. Print the average of the numbers in the file. Prompt the user for the file name.

Write a program in C++ that reads each line in a file, reverses its characters, and writes the resulting line to another file. Suppose the user specifies input.txt and output.txt when prompted for the file names, and input.txt contains the lines: Mary had a little lamb Its fleece was white as snow And everywhere that Mary went The lamb was sure to go. After the program is finished, output.txt should contain:

bmal elttil a dah yraM wons sa etihw saw eceelf stI tnew yraM taht erehwyreve dnA. og ot erus saw bmal ehT