SDE - 1

You are given a number in the form of a string ‘S’ of length ‘N’ consisting of characters from '0' to '9' (both inclusive) .

You must return the number of substrings that are divisible by 5. Some strings divisible by 5 are ‘5’, ‘370’, and ‘1000’.

Note :

A substring can start with a zero. The given number may also contain leading zeroes.

Example:

‘S'= ‘5203’

Here, four substrings are divisible by 5: ‘5’, ’520’, ‘20’, ‘0’.
Hence the answer is 4.

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Given an array/list 'ARR' of integers and an integer ‘K’. You are supposed to return the length of the shortest subarray that has a sum greater than or equal to ‘K’. If there is no subarray with a sum greater than or equal to K, then return -1.

Note :

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