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QOJ
Category: KTH Challenge
| Category | #(Contests) | #(Problems) |
|---|---|---|
| KTH Challenge 2011 | 7 | |
| KTH Challenge 2012 | 8 | |
| KTH Challenge 2013 | 9 | |
| KTH Challenge 2014 | 9 | |
| KTH Challenge 2015 | 9 | |
| KTH Challenge 2016 | 8 | |
| KTH Challenge 2017 | 9 | |
| KTH Challenge 2018 | 8 | |
| KTH Challenge 2019 | 8 | |
| KTH Challenge 2020 | 8 | |
| KTH Challenge 2021 | 7 | |
| KTH Challenge 2022 | 9 |