IOI
International Olympiad in Informatics – Statistics
Oscar Sierra
Oscar Sierra
CodeForces
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Contestant
YearCountryTasksScoreRankAward
Abs.Rel.
Abs.Rel.
2019Colombia1000052.08520204.0834.01%214/32734.86%
2020Colombia199611025.0052.32203.3233.89%203/34341.11%
2018Colombia305700196110.17%273/33518.81%
Delegation member
YearCountryRole
2023ColombiaDeputy leader