Whether you can do this task?

Please do this task, for you is probably easy but I'm stupid ...
Thanks to everyone who help me. :frown:

Waterpolo player Jimmy participate in preparations for the competition for a period of N days. The first day of preparation Jimmy swim a meter, and every next day for D meters more than the previous day. Write a program that determines how much Jimmy meters swim on the last day of preparation.

Enters

the three integers, each in a separate line of standard input. Numbers respectively represent the number of days that the preparation last N
(N≤20), how many meters Jimmy swim first day of the preparation of A (a≤3000), how many meter every day Jimmy more floats in relation to previous day D (d≤1000)

Exit

In the standard output display how many meters Jimmy swim on the last day of preparation

Example

entrance

10
500
100

Exit

1400

https://cboard.cprogramming.com/c-pr...uncements.html
This isn't a homework on demand service.

You need to make an effort by yourself first.

Ignorant and lazy are NOT the same as stupid.

Tim S.

Quote:

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Originally Posted by boredsatan

Isn't this a forum to help others?

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Yep, and, I helped the OP by explaining that stupid is not the same as ignorant and lazy.

In order to fix a problem, it is easier to succeed with a good description of the problem then a bad description.

Tim S.

To both @boredsatan & @stahta01:

Please reread @Salem's response#2 above!

Quote:

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Originally Posted by rstanley

To both @boredsatan & @stahta01:

Please reread @Salem's response#2 above!

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Please read the first line of the original poster's post.

Tim S.