Contribute at least one answer each month for 12 consecutive months
Awarded to jibrahim on 02 Sep 2021
20 of your answers have been accepted
Awarded to jibrahim on 04 Dec 2020
Answer 3 questions that were unanswered for more than 30 days
Awarded to jibrahim on 11 Feb 2020
Publish your first review
Awarded to jibrahim on 30 Jan 2020
Provide your first answer ever to someone else's question
Awarded to jibrahim on 20 Jul 2017
Solve a problem for the first time
Awarded to jibrahim on 29 Jul 2014
Feeds
已解决
Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...
3 years 前
已解决
Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...
4 years 前
您也可以从以下列表中选择网站：
美洲
- América Latina (Español)
- Canada (English)
- United States (English)
欧洲
- Belgium (English)
- Denmark (English)
- Deutschland (Deutsch)
- España (Español)
- Finland (English)
- France (Français)
- Ireland (English)
- Italia (Italiano)
- Luxembourg (English)
- Netherlands (English)
- Norway (English)
- Österreich (Deutsch)
- Portugal (English)
- Sweden (English)
- Switzerland
- United Kingdom (English)
亚太
- Australia (English)
- India (English)
- New Zealand (English)
- 中国
- 日本Japanese (日本語)
- 한국Korean (한국어)