System Engineer

Given an array ARR of N integers and an integer S. The task is to find whether there exists a subarray(positive length) of the given array such that the sum of elements of the subarray equals to S or not. If any subarray is found, return the start and end index (0 based index) of the subarray. Otherwise, consider both the START and END indexes as -1.

Note:

If two or more such subarrays exist, return any subarray.

For Example: If the given array is [1,2,3,4] and the value of S is equal to 7. Then there are two possible subarrays having sums equal to S are [1,2,3] and [3,4].

You have been given an array/list of strings 'inputStr'. You are supposed to return the strings as groups of anagrams such that strings belonging to a particular group are anagrams of one another.

An anagram is a word or phrase formed by rearranging the letters of a different word or phrase. We can generalize this in string processing by saying that an anagram of a string is another string with the same quantity of each character in it, in any order.

Note:

The order in which the groups and members of the groups are printed does not matter.

For example:

inputStr = {"eat","tea","tan","ate","nat","bat"}
Here {“tea”, “ate”,” eat”} and {“nat”, “tan”} are grouped as anagrams. Since there is no such string in “inputStr” which can be an anagram of “bat”, thus, “bat” will be the only member in its group.

You live in a Ninja town which is in the form of a N * M grid. In this town, people travel from one place to another by jumping over the buildings which are present in each cell of the grid. It is Christmas eve, and Santa wants to give gifts and chocolates to the kids who live in the building which is present at the cell (N - 1, M - 1). Initially, Santa is present on cell (0, 0). Since Santa is in a hurry, help him find a path from starting point to the endpoint with the least amount of time.

The Santa may go only from one building to any of its adjacent buildings which is present either to the right or to the bottom or bottom right cell i.e. if the current position is (x, y), he may go to (x + 1, y + 1) or (x + 1, y) or (x, y + 1) given that the new coordinates are in the grid. The time taken to reach from one building to another is equal to the absolute difference between the heights of buildings.

Note:

1. The heights of the buildings are positive.
2. Santa starts from the cell (0, 0) and he has to reach the building (N - 1, M - 1).
3. Santa cannot leave the grid at any point of time.

You're given a string 'S' consisting of "{", "}", "(", ")", "[" and "]" .

Return true if the given string 'S' is balanced, else return false.

For example:

'S' = "{}()".

There is always an opening brace before a closing brace i.e. '{' before '}', '(' before ').
So the 'S' is Balanced.

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