A. Odd PrimePrime number seems to be trending topic for programming contest. As such, Piyash, being an aspiring ...

B. Decimation OperationBeing encouraged by XOR operation of binary numbers, Nanna Munna has decided to make a new kind of d...

C. KSubarrayYou will be given an array of length n. You need to divide the array in some part where length of ev...

D. RatioThere are two equalsized glasses filled with a mixture of water and syrup. The ratio of mixture of ...

E. Make them FriendsThere are N students in IIUC numbered from 1 to N. They are divided into K groups. i’th group has Ki...

F. Climbing WormAn inch worm is at the bottom of a well n inches deep. It has enough energy to climb u inches every ...
