SDE - 1

A person has 3000 bananas and a camel. The person wants to transport the maximum number of bananas to a destination which is 1000 KMs away, using only the camel as a mode of transportation. The camel cannot carry more than 1000 bananas at a time and eats a banana every km it travels. What is the maximum number of bananas that can be transferred to the destination using only camel (no other mode of transportation is allowed).

100 coins are lying flat on a table. 10 of them are heads up and 90 are tails up.You can’t see which one is which.How can we split the coins into two piles such that there are same number of heads up in each pile?

You have been given a long type array/list 'arr’ of size 'n’.

It represents an elevation map wherein 'arr[i]’ denotes the elevation of the 'ith' bar.

Print the total amount of rainwater that can be trapped in these elevations.

Note :

The width of each bar is the same and is equal to 1.

Example:

Input: ‘n’ = 6, ‘arr’ = [3, 0, 0, 2, 0, 4].

Output: 10

Explanation: Refer to the image for better comprehension:

Note :

You don't need to print anything. It has already been taken care of. Just implement the given function.

Given a rod of length ‘N’ units. The rod can be cut into different sizes and each size has a cost associated with it. Determine the maximum cost obtained by cutting the rod and selling its pieces.

Note:

1. The sizes will range from 1 to ‘N’ and will be integers.

2. The sum of the pieces cut should be equal to ‘N’.

3. Consider 1-based indexing.

Given two strings, ‘A’ and ‘B’. Return the shortest supersequence string ‘S’, containing both ‘A’ and ‘B’ as its subsequences. If there are multiple answers, return any of them.

Note: A string 's' is a subsequence of string 't' if deleting some number of characters from 't' (possibly 0) results in the string 's'.

For example:

Suppose ‘A’ = “brute”, and ‘B’ = “groot”

The shortest supersequence will be “bgruoote”. As shown below, it contains both ‘A’ and ‘B’ as subsequences.

A   A A     A A
b g r u o o t e
  B B   B B B  

It can be proved that the length of supersequence for this input cannot be less than 8. So the output will be bgruoote.

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