Counting Triplets
Given an array of N integers A1​, A2​, A3​, …, AN​. Vector has to find the number of Fibonacci Tripl...
Jumping Frog (II)
A frog wants to cross a river. There are some posts in the river. The frog can go from one post to a...
K-Game
To end the everlasting rivalry between Tom and Jerry, the Lady of the house found an Idea. She gives...
Change in Array
You will be given an array of length N. Then there will be Q queries. Each query will contain four i...
Simple Queries
You are given an array x of distinct integers  x1​,x2​,x3​…xn​(0≤xi​≤109;1≤i≤n) of length n. Now you...
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