PrisonersLet me tell you a story of a dangerous prison. There were N pris... 
Table TennisOne day you have invited Sohel bhai to come to East West Univers...

Divide Candy AgainThere are N boxes with candies numbered from 1 to N. The number ...

Walking Down The RoadThere is an M meter long road with the leftmost point of the roa...

ExplosionThere is a house named Larcana. It is a very weird house .There ... 
Goku's TreeRecently Goku has discovered a rooted tree graph. Gokuâ€™s tree ha...

Expected ResultA witch has imprisoned Bob in the 1st room of the Central Witchl...

Building the NumberThis is a straightfroward problem. You will be given N. You ha...

Bignum Arithmetic

Combinatorics

Fast Fourier Transform

Number Theory
