a program which reads a string as an input then it counts number of
occurrences for each letter, and then displays the letters which
occurred 3 times or more. Note that your string may contain ASCII
characters other than letters, but we want to count letters only. Also
note that small and capital letters are equivalent (no difference
between uppercase and lowercase letters).
Sample input/output (inputs are underlined):
Enter a string: Smile! You are a CS student. Aren’t you?
Letters which occurred 3 times or more are: a, e, s, t, u
A sequence of n > 0 integers is called a jolly jumper if the absolute values of the difference between successive elements take on all the values 1 through n-1. For instance, 1 4 2 3 is
a jolly jumper, because the absolutes differences are 3, 2, and 1
respectively. The definition implies that any sequence of a single
integer is a jolly jumper. You are to write a program to determine
whether or not each of a number of sequences is a jolly jumper.
Each line of input contains an integer n <= 3000 followed by n integers representing the sequence.
For each line of input, generate a line of output saying "Jolly" or "Not jolly".
5 1 4 2 -1 6
function template, write one function which sorts an array of any type
(int, double, char, string). Then write a program which tests your
function on different types.
Introduction to Computing
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neat and well organized C++ code(s) by adding comments to your code(s),
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