Software Trainee

You are given two strings 'str1' and 'str1'.

You have to tell whether these strings form an anagram pair or not.

The strings form an anagram pair if the letters of one string can be rearranged to form another string.

Pre-requisites:

Anagrams are defined as words or names that can be formed by rearranging the letters of another word. Such as "spar" can be formed by rearranging letters of "rasp". Hence, "spar" and "rasp" are anagrams. 

Other examples include:

'triangle' and 'integral'
'listen' and 'silent'

Note:

Since it is a binary problem, there is no partial marking. Marks will only be awarded if you get all the test cases correct. 

Reverse a given stack of 'N' integers using recursion. You are required to make changes in the input parameter itself.

Note: You are not allowed to use any extra space other than the internal stack space used due to recursion.

Example:

Input: [1,2,3,4,5] 
Output: [5,4,3,2,1]

You are given a reference/address of a node in a connected undirected graph containing N nodes and M edges. You are supposed to return a clone of the given graph which is nothing but a deep copy. Each node in the graph contains an integer “data” and an array/list of its neighbours.

The structure of the graphNode class is as follows:

class graphNode 
{  
    public:
        int data;
        vector<graphNode*> neighbours;
}

Note :

1. Nodes are numbered from 1 to N.

2. Your solution will run on multiple test cases. If you are using global variables make sure to clear them.

What is a Thread? (Learn)

You are given an array 'a' of size 'n'.

Print the Next Greater Element(NGE) for every element.

The Next Greater Element for an element 'x' is the first element on the right side of 'x' in the array, which is greater than 'x'.

If no greater elements exist to the right of 'x', consider the next greater element as -1.

For example:

Input: 'a' = [7, 12, 1, 20]

Output: NGE = [12, 20, 20, -1]

Explanation: For the given array,

- The next greater element for 7 is 12.

- The next greater element for 12 is 20. 

- The next greater element for 1 is 20. 

- There is no greater element for 20 on the right side. So we consider NGE as -1.

You are given an array 'arr' of length 'n', consisting of integers.

A subarray is a contiguous segment of an array. In other words, a subarray can be formed by removing 0 or more integers from the beginning and 0 or more integers from the end of an array.

Find the sum of the subarray (including empty subarray) having maximum sum among all subarrays.

The sum of an empty subarray is 0.

Example :

Input: 'arr' = [1, 2, 7, -4, 3, 2, -10, 9, 1]

Output: 11

Explanation: The subarray yielding the maximum sum is [1, 2, 7, -4, 3, 2].

What are the differences between process and thread? (Learn)

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