Tagged: Intermediate

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Find subarray with a sum to given number-2 | Handle negative numbers

Problem: Given an array (positive and negative) and an integer, find the subarray with sum is equal to the given integer.  Note: This problem is an extension of – find the subarray with sum...

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Sort the two dimensional (2D) array – In-place

Problem: Given a two-dimensional array where each individual row is sorted in ascending order. Your task to sort the entire 2d array in ascending order. Write an algorithm for the sorting. Example: Given Array:...

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Implement/Design the version control map system

Problem: Implement the version control map system which takes the snapshot of the versions of data. Implement the following functions: put(key, value) – puts the value again the key in the latest version of...

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Find if any two intervals overlap in given intervals

Objective: Interval is defined as [start, end]- the start of an interval to the end of the interval. Given a list of Intervals. Your task is to check if any two intervals overlap. Example:...

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Given an array, find all unique subsets with a given sum with allowed repeated digits.

Objective: Given an array of integers and number N, Write an algorithm to find and print all the unique subsets of array for which sum is equal to N where array elements can be...

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Print all steps to convert one string to another string

Objective: Given two strings, source string and target string, which are permutation or anagram of each other. You are allowed two swap only consecutive characters. Write an algorithm to print all the steps (...

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Lexicographically next permutation With One swap

Objective: Given an array of integers (in particular order or permutation of a set of numbers), write an algorithm to find the lexicographically next permutation of the given permutation with only one swap.  This...

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Find all subsets of size K from a given number N (1 to N)

Objective: Given two integers N and K, Write an algorithm to find subsets of size K from the numbers 1 to N.  Example: N = 5 K = 3 Output: [1, 2, 3] [1,...

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Find all possible combinations with sum K from a given number N(1 to N) with the repetition of numbers is allowed

Objective: Given two integers N and K, Write an algorithm to find possible combinations that add to K, from the numbers 1 to N.  Condition: An integer from 1 to N can be repeated...

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Construct the largest number from the given array.

Objective: Given an array of integers, write an algorithm to construct the largest number possible by appending the array elements.  Example: Given Input: [7, 78] Largest Number Possible: 787 Explanation: two possibilities are 778...

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Given an array, print all unique subsets with a given sum.

Objective: Given an array of integers and number N, Write an algorithm to find and print all the subsets of the array for which sum is equal to N. Example: input [] = {6,2,7,8,2,4,1,3,7,5}...

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Sum of length of subsets which contains given value K and all elements in subsets are less than equal to K.

Objective: Given an array of numbers and integer K. Your task is to find lengths of all the subsets which contain value K and all elements in the subset are less than equal to...

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