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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
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The question is very interesting.It add the type of triangle.At first,we must judge the data that can be a triangle.So we solve the problem at last.
I can not understand the title at the first time.I can not see it clearly.
Hey,i solve the problem.But when i see other solutions,i hardly understand the "reduce()".Who can help me?
I do it.But my solution is a little complex.I think that using the "slice" is great.
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In my opinion,the key of the question is that you need to judge the even numbers.
Hello,at the first,i want to find the string in the array.If i delete the string that i find in the array,the length of array will be changed.
In this question,you must add the correct tilte.In the original title,the function has not a title.You must add it in the function.
When i submit at first,i find that my code must note the uppercase and lowercase letters.
It's interesting.How to put the own code in here.
The problem is very interesting.I think that "substr" can replace the "charAt"