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There is a sequence of integers. Your task is to find the longest subsequence that satisfies the following condition: the difference between the maximum element and the minimum element of the subseque...

Give you three integers n, A and B.Then we define Si= Aimod B and Ti= Min{ Sk| i-A <= k <= i, k >= 1}Your task is to calculate the product of Ti(1 <= i <= n) mod B.Input...

A team of k (1 <= K <= 100) workers should paint a fence which contains N (1 <= N <= 16 000) planks numbered from 1 to N from left to right. Each worker i (1 <= i <= K) should sit ...

An array of sizen≤ 106is given to you. There is a sliding window of sizekwhich is moving from the very left of the array to the very right. You can only see theknumbers in the window. Each time...

There arenwalruses standing in a queue in an airport. They are numbered starting from the queue's tail: the1-st walrus stands at the end of the queue and then-th walrus stands at the beginning of ...