A.
Tausif's Numbers and Divisors Tausif is a student of Dhaka Residential Model College. One day Tausif went to school. In a math’s l... |
B.
HELP DITC !! DRMC IT Club is organizing an event in Dhaka Residential Model College. The event will be in Februar... |
C.
Navid's Tree One day Navid came across a tree. The tree consisting of n nodes (they are numbered from 1 to n). Ea... |
D.
Rongin Jibon Arisha got a ribbon which has n square cells. The cells are aligned horizontally and each cell is co... |