Since the second round of this season of COCI (Croatian Open Competition in Informatics) was held last saturday, here is the continuation in the series of COCI appreciation posts (I will post one after each COCI round, so six in total!). For my coaching, I went through all COCI contests since 2006 to gather tasks and selected some of my favorite ones.
Notes
- Check out the first post for notes about the process and the problemset.
- There are 9 tasks in this problemset since I accidentally forgot to put one task (Zoo) last time, so it's included now.
Tasks
A: 2016/2017, Contest 5: Ronald
Author: Adrian Satja Kurdija (satja)
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Difficulty range: 1300-1500
B: 2011/2012, Contest 2: Kompići
Author: Adrian Satja Kurdija (satja)
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Difficulty range: 1300-1500
C: 2013/2014, Contest 2: Putnik
Author: Adrian Satja Kurdija (satja)
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Difficulty range: 1500-1700
D: 2020/2021, Contest 5: Planine
Author: Daniel Paleka and Paula Vidas (dpaleka,paula)
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Difficulty range: 1700-1900
E: 2013/2014, Contest 2: Linije
Author: Domagoj Ćevid
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Difficulty range: 1900-2100
F: 2019/2020, Contest 1: Trobojnica
Author: Daniel Paleka (dpaleka)
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Difficulty range: 2100-2300
G: 2014/2015, Contest 4: Stanovi
Author: Mislav Balunović (mislav)
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Difficulty range: 2100-2300
H: 2018/2019, Contest 1: Teoretičar
Author: ?
There isn't an official solution published on the website for this task, check out the comment from 300iq on this blog.
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Difficulty range: 2900-3100 (my guess :) )
Bonus task (since I forgot it last time):
2019/2020, Contest 1: Zoo
Author: Ivan Paljak (ipaljak)
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Difficulty range: 2200-2400
I hope you find these tasks useful!
