Contests
Author: Benjamin Qi
Well-known programming contests and helpful tools for programming contests.
Frequent Contests
These websites hold contests that I frequently participate in.
| Resources | ||||
|---|---|---|---|---|
| CLIST | extensive list of contests  | |||
| kenkoooo | keep track of which AtCoder problems you've done  | |||
- AtCoder
- Probably the highest quality
 - Beginner / Regular Contests: 4 or 6 problems, ~100 min
 - Grand Contests: 6 problems, 110 - 150 min
- Difficulty isn't always reasonable ...
 
 
 - Codeforces
- Div 1-4: 5-6 problems (with some variations), 2 to 2.5 hrs
 
 - Topcoder
- Div 2, Div 1
 - 75 min coding, 15 min challenge
 - Solutions only tested after contest!
 
 - DMOJ: Modern Online Judge
- at least one contest every month during school year
 - practice implementation!!
 
 
Other Websites
These platforms no longer actively hold contests, but might be worth a look.
| Resources | ||||
|---|---|---|---|---|
see archive  | ||||
Onsite Finals (Individual)
Let me know if there's something else I should try to qualify for!
| Resources | ||||
|---|---|---|---|---|
25 from R3  | ||||
| AtCoder | 8 from AGC  | |||
Codeforces Tools
| Resources | ||||
|---|---|---|---|---|
estimate rating changes!  | ||||
recently updated  | ||||
An alternative for CF-Predictor  | ||||
keep track of friends' progress  | ||||
problem recommender (haven't used personally)  | ||||
compare users  | ||||
parse problem statements, submit, etc from command line  | ||||
text editor using features from above  | ||||
Contest Tools
| Resources | ||||
|---|---|---|---|---|
integer sequences  | ||||
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