shaft.

shaft. solved Equalizing Pillars.

shaft. solved Move It!.

shaft. participated in Criterion 2021 Round 8.

shaft. solved Match the Range.

shaft. participated in Replay of Stamford University Bangladesh Summer Contest 2019.

shaft. solved Just Another Range Query.

shaft. solved Itachi's Challenge.

shaft. solved Set, Intersection and Range.

shaft. participated in The Tough Winter Spar, 2018.

shaft. solved Is It A Square?.

shaft. solved Pranta Sir the Saviour.

shaft. solved Gru and Digits.

shaft. solved Easy Queries.

shaft. solved Mina and Raju.

shaft. participated in Replay of NEUB Intra Department ICT Fest 2018.

shaft. solved Mount Everest.

shaft. solved Budget Travel.

shaft. solved Hail, Aumit Bro..

shaft. solved Yet Another Update Query Problem.

shaft. solved Eet Izz Phet!.