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OIJ
Junior Informatics Olympiad
A competition for younger students, a great stepping stone to OI. Develops algorithmic skills and prepares for more advanced contests.
Contest stages
1
Stage 1
Online tasks (October)
2
Stage 2
Regional competitions (December)
3
Stage 3
Finals (February)
Recommended algorithms
Information
Required topics
SortingSearchingBasic data structuresSimple graphs