Based on our record, Codingbat seems to be a lot more popular than Topcoder. While we know about 68 links to Codingbat, we've tracked only 5 mentions of Topcoder. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
The only Leet Code problems I am able to solve on my own are the most simplest and straightforward ones on Coding Bat(https://codingbat.com/java). And I haven't even got the chance to solve all of them yet, so I've really only been trying out its first few and am not sure if it gets any harder. Source: 10 months ago
If you’re struggling with Loops and Arrays i’d recommend doing exercises focused just on them. I went through the same thing and I went through the exercises on https://codingbat.com/java and got familiar with both of them. If you get stuck on a problem don’t be afraid to look at the solution and learn about how it works. Source: 11 months ago
I used this video series to get ahead of my intro to cs class. I’d recommend you find something similar to learn from. Just learn the basics, and you’ll be much more prepared for your college class. What’s really important is to do a lot of practice problems, and not just watch videos to learn the concepts. If you learn in Java or python, you can do practice problems in coding bat: https://codingbat.com/java. Source: 12 months ago
Https://codingbat.com/java It took a second read to realize codingbat wasn’t a typo. Source: about 1 year ago
I've messed around with CodingBat in the past (though I'm not a beginner); it seemed well suited for an introductory programming course though. It was written by a Stanford lecturer. Source: about 1 year ago
Leetcode.com for problem solving practice. Do basics first before jumping into this one. Similar thing you can do at topcoder.com for trying to code with a timer. Great for problem solving practice. Source: about 1 year ago
I know topcoder.com does competitive programming for $$, I haven't done it myself though so I'm not entirely sure how it works. Source: about 1 year ago
One thing I noticed is topcoder.com is in "Advanced" and I'm not sure but, how is Top Coder any more advanced than others? Source: almost 2 years ago
Usually, I go to hackerrank.com or topcoder.com to choose the easiest challenge and I do it. In that way, you can compare your solution with other ones and get better. Source: over 2 years ago
Some, like Hackerrank.com and topcoder.com can connect you to employers once you get good. Source: over 2 years ago
LeetCode - Practice and level up your development skills and prepare for technical interviews.
AlgoExpert.io - A better way to prep for tech interviews
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
CodingInterview - CodingInterview offers essential information to help you conquer programming interviews.
Codechef - CodeChef is a not-for-profit educational initiative by Directi, an Indian software company. It is a global programming community that fosters learning and friendly competition, built on top of the world’s largest competitive programming platform.
Interview Cake - Free practice programming interview questions. Interview Cake helps you prep for interviews to land offers at companies like Google and Facebook.