risan_mahfuz

risan_mahfuz solved Interesting Parenthesis.

risan_mahfuz solved Subsegment Search.

risan_mahfuz solved Be Like Hasib.

risan_mahfuz solved Master Plan.

risan_mahfuz solved Largest Prime.

risan_mahfuz solved Buildings.

risan_mahfuz solved The Chamber With a Bit of Mystery.

risan_mahfuz solved Geometry Forever.

risan_mahfuz solved Multiplication of Three Numbers.

risan_mahfuz solved Welcome.....

risan_mahfuz participated in JUST CSE CARNIVAL 2022 ( JUNIOR ).

risan_mahfuz joined Toph!