Data
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).
Find the total value of all transactions for each day.
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Given a table of transactions, this SQL query will find the total value of all transactions that occurred on each day.
Find Top 10 Customers by Total Purchase Amount
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To find the top 10 customers by total purchase amount, write a SQL query that orders the customers by purchase_amount in descending order.
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.
Reversing a Singly Linked List
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To reverse a singly linked list, we simply need to iterate through the list and reverse the pointers of each node. This can be done in place, without creating a new list.
Binary Search: Find Target Value in Sorted Array
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This problem requires the use of a binary search algorithm to find a target value in a sorted array. If the target value is found, the index of that value is returned. If the target value is not found, -1 is returned.
Binary Search
AskAI
This problem involves searching for a given value in a sorted array of integers. If the value is found, the index of the target value is returned; if not, -1 is returned.
