A. Short Distance GameNayan is standing on a multiplication table with infinitely many rows and columns. The cell (i, j) c...

B. Multiplication TableSpider man has learnt the multiplication table, now he can multiply two integers between 1 and 10 to...

C. Level 1 CrookYou are given a permutation of size n. In one step, you can chose any number of pairs of index and s...

D. Score InflationYou will be given q independent queries. In each query, you will be given two integers n and k. You ...

E. CircleGiven an integer r. How many times is the area of a circle of radius r larger than the area of a cir...

F. Double StringYou are given a positive integer N and a string S of length N consisting of lowercase and Uppercase ...

G. Small BoyAlice is a 6 years old boy. He is going to get admitted to a school for the first time . The princip...
