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Input the Roll Number, Name and marks of a small section of
5 students. Display the marks database
of these students in the following format. The "Roll Number"
and "Name" fields are left justified with
15 columns, and 25 columns, respectively. The "Marks" field
is right justified with 5 columns.
Assume the marks are in multiples of 0.5 and are from 0 to
100. Display some spaces between each
field appropriately.
Roll Number
The input can be stored in a file, say, marksdata.txt, and
the program can be executed by using
./a.out < marksdata.txt

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