Is it horseshoes of different colors?

Question

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Maximus horse wants to go to the party with his friends. He loves to keep up with the newest fashion trends, especially in wearing horseshoes, and now the latest fashion trends are wearing all horseshoes of different colors.

Maximus already has horseshoes, but probably some of them are the same color, so he needs to make shopping to buy the new horseshoes and to be pretty nice at the party. The horseshoe store offers many colors of horseshoes, and Maximus has enough money to buy any four of them. You need to help Maximus to determine the minimum number of horseshoes he needs to buy to wear four horseshoes of different colors to a party.

What I have tried:

What I have tried:

<pre>Input Format

The first line contains four space-separated integers h1, h2, h3, h4 — the colors of horseshoes Valera has.

Constraints

(1 ≤ h1, h2, h3, h4 ≤ 109) Consider all possible colors indexed with integers.

Output Format

Print a single integer — the minimum number of horseshoes Valera needs to buy.

Sample Input 0

1 7 3 3
Sample Output 0

1
Sample Input 1

7 7 7 7
Sample Output 1

3

Posted 26-Nov-22 10:41am

rama ahmad

Updated 26-Nov-22 11:15am

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Dave Kreskowiak 26-Nov-22 17:45pm

And? You never asked a question or described a problem you're having. Just posting your homework assignment makes it appear as though you want someone to do your work for you. But you wouldn't by demanding that would you? After all, it'll only get you a failing grade.

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OriginalGriff · Accepted Answer · 2022-11-26T11:15:00

While we are more than willing to help those that are stuck, that doesn't mean that we are here to do it all for you! We can't do all the work, you are either getting paid for this, or it's part of your grades and it wouldn't be at all fair for us to do it all for you.

So we need you to do the work, and we will help you when you get stuck. That doesn't mean we will give you a step by step solution you can hand in!
Start by explaining where you are at the moment, and what the next step in the process is. Then tell us what you have tried to get that next step working, and what happened when you did.

If you are having problems getting started at all, then this may help: How to Write Code to Solve a Problem, A Beginner's Guide[^]