Data Structures And Algorithms
Remove all duplicates from a linked list.
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To remove all duplicates from a linked list, we can iterate through the list, keeping track of which values have been seen already. If we encounter a value that we have seen before , we can remove it from the list. Otherwise, we add it to our set of seen values and continue iterating.
Sum of Array Elements
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This function takes in an array of integers and returns the sum of all the elements in the array.
Find the Maximum Sum of a Contiguous Subarray of Length k
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Find the maximum sum of a contiguous subarray of length k in an array of n integers.
Delete the head node of a singly linked list.
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To delete the head node of a singly linked list, simply write a function that takes in the linked list and removes the first node.
Find shortest path from one city to another in a list of airline flights.
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Given a list of airline flights with their departure and arrival times, find the shortest path from one city to another using a graph algorithm.
Binary Search
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This problem involves finding the index of a given target value in a sorted array of integers. If the target is not found, the index where it would be inserted is returned.
Sum of integers at even indices
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Given a list of integers, the sum of the integers at even indices is returned. So for the input list [1, 2, 3, 4, 5], the output would be 6 (2 + 4).
Shortest Path in a Directed Graph
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This technical problem deals with finding the shortest path between two nodes in a directed graph. An example input and output is given in the problem description.
