Sum of First N Odd Numbers

Read an integer n from standard input and print the sum of the first n odd numbers (1 + 3 + 5 + ...), with no trailing newline. For example, if the input is 4, the sum of 1 + 3 + 5 + 7 is:

16

Track the current odd number and add 2 to it each pass.

Expected Output:

Topics:

Loops

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Test Cases

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