National Olympiad in Informatics (Singapore) 2020 Preliminary - Sources

#AliasYour scoreTitleSolved #
1NOI20_mountains
0 / 100
Mountains Batch 220
2NOI20_visitingsingapore
0 / 100
Visiting Singapore Batch 43
3NOI20_solarstorm
0 / 100
Solar Storm Batch 46