A.
Multiplication Table Spider man has learnt the multiplication table, now he can multiply two integers between 1 and 10 to... |
B.
Joker's GCD Test Joker has a sequence P of n integers. Each two elements in the sequence are pairwise distinct. He de... |
C.
Find the Good Sequence Let's say two numbers are called "good" if their difference is at least 2. Similarly, a sequence is ... |
D.
Efficient Multiplication Pantho is given two non-negative numbers x and y. He needs to multiply them. He does not know how to... |