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Spoj VS CodeForces

Compare Spoj VS CodeForces and see what are their differences

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  2. » Videos
  3. » Reviews
  4. » Alternatives

Spoj logo Spoj

Sphere Online Judge created for the coders' community to train, to learn and to make progress.

CodeForces logo CodeForces

Programming competitions and contests, programming community.
  • Spoj Landing page
    Landing page //
    2023-09-28
  • CodeForces Landing page
    Landing page //
    2023-08-21

Spoj videos

+ Add

WHY SPHERE ONLINE JUDGE (SPOJ) IS GREAT

CodeForces videos

+ Add

How to Start Competitive Programming on Codeforces? Virtual Contest? Div1? Div2? Div3? Rating Logic

More videos:

  • Review - Difference between HackerRank, LeetCode, topcoder and Codeforces
  • Review - Mentoring by Reviewing Codeforces Profiles || Best for Ratings from 900 to 1400 || Live for Members

Category Popularity

0-100% (relative to Spoj and CodeForces)

Spoj

CodeForces

Online Learning
28 28%
Online Learning
72% 72
Online Education
30 30%
Online Education
70% 70
Programming
0 0%
Programming
100% 100
Online Courses
100 100%
Online Courses
0% 0

User comments

Share your experience with using Spoj and CodeForces. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare Spoj and CodeForces

Spoj Reviews

The 10 Most Popular Coding Challenge Websites [Updated for 2021]
Sphere Online Judge (SPOJ) is an online judge that provides over 20k coding challenges. You are able to submit your code in an online editor. SPOJ also hosts their own contests and has an area for users to discuss coding challenges. They do not currently provide any official solutions or editorials like some other websites do, though.
Source: www.freecodecamp.org
Top 25 websites for coding challenge and competition [Updated for 2021]
Best qualities: SPOJ has tons of mind-boggling coding challenges that will really test your skills. There are contests as well for you to participate in to showcase your skills.
Source: towardsdatascience.com

CodeForces Reviews

Top 25 websites for coding challenge and competition [Updated for 2021]
CodeForces is a collaborative platform where coders can participate in “rounds” where a time limit is set and points are distributed to the participants. CodeForces also has contests, problem sets as well as groups for coders to have at it.
Source: towardsdatascience.com

Social recommendations and mentions

Based on our record, CodeForces seems to be a lot more popular than Spoj. While we know about 74 links to CodeForces, we've tracked only 1 mention of Spoj. 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.

Spoj mentions (1)

  • Entrance Test for a school!
    Have you looked at spoj.com? It has a fair amount of different problems, some of them are pretty creative, you can take an inspiration from that. Source: about 3 years ago

CodeForces mentions (74)

  • [2023 Day 8 (Part 2)] Some notes on features of input data
    Have you heard of codeforces.com, atcoder.jp, codechef.com, etc? Source: 5 months ago
  • How helpful is leetcode at competitive programming?
    Leetcode is good to learn basic algorithms because problem statements are usually straightforward. Competitive programming has much wider range of problems. Most popular sites for cp are codeforces.com , atcoder.jp, codechef.com . Source: 5 months ago
  • Role of Algorithms
    The de facto standard community for competitive programmers, regular contests with editorials, huge archive of problems (https://codeforces.com/problemset) with pretty accurate difficulty ratings so you can focus on problems of suitable difficulty if you want to progress quickly. They also have an incipient EDU section: https://codeforces.com/edu/courses that covers basic algorithms with practice problems. - Source: Hacker News / 7 months ago
  • I just graduated with a CS degree. I want to start my career. What do I do?
    - I used C++ to solve 500+ problems on codeforces.com (a competitive programming website) But I'm rusty now. Source: 9 months ago
  • What to do after learning c++ basic?
    Join the codeforces.com cult try out some most solved problems and then there are many other things like cses problemset, a2oj ladders... Just a tip learn c++ stl too (not necessarily now but do it soon). Source: 12 months ago
View more

What are some alternatives?

When comparing Spoj and CodeForces, you can also consider the following products

CodinGame - CodinGame provides users with a fun and effective way to learn coding that eschews the rigid structure of traditional teaching methods.

LeetCode - Practice and level up your development skills and prepare for technical interviews.

HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.

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.

Project Euler - Project Euler is a series of challenging mathematical/computer programming problems that will...

AlgoExpert.io - A better way to prep for tech interviews

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