Problem link Given an array of integers, We have to return the running sum of that array. Suppose, we have an array of integers like [1, 2, 3]. As per the problem, the result of this array will be [1, 3, 6]. We define a running sum of an array as arr[i] = sum(arr[0]…arr[i]). In […]
1480. Running Sum of 1d Array | LeetCode | Python | Solution Read More »
Here is the problem link to see the problem details. The problem description is very concise and easy to understand. Given an array of integers, we have to return how many of them contain an even number of digits. Example of an even number of digits:1234 = even (here are four digits and four is
1295. Find Numbers with Even Number of Digits | LeetCode | Python | Solution Read More »
Here is the problem link. See the problem explanation first and try to understand the problem. It’s an easy linked list problem. We have to return the middle node from a linked list. We don’t have to check the emptiness of the given linked list. We will receive only a non-empty linked list. If there
876. Middle of the Linked List | LeetCode | Python | Solution Read More »
This one is a basic linked list problem. Here is the problem link. See the detailed explanation there. This problem is very simple and straightforward. We have to delete the given node. We don’t need to check anything and don’t need to return anything. See the note in the below of the problem explanation. Suppose
237. Delete Node in a Linked List | LeetCode | Solution | Python Read More »
It’s a classic programming problem and a very beginner type of problem. Here is the link to the problem. See the explanation in LeetCode first. And try to understand the problem. First, we will be given a number n as input. We have to store each number from 1 to n in an array as
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