## How to compute the sum and the total number of nodes in a Binary Search Tree?

I am trying to figure out a way to compute the sum and the total number of nodes in a BST, Binary Search Tree. I assume that the values of the nodes are all numerical. I have made the following code …

## Series sum according to the formula C++ [closed]

I need to write a program/function which calculates the series sum according to the formula: series sum The data that the user types is: m. I am a total beginner and I have no idea how to do it… I …

## How to sum of 2 arrays in group by ID used java 7

I have 2 arrays with variables: String[] ID= String.valueOf(“D123|;D456|;D123”).split(“\|;”); String[] amount= String.valueOf(“20|;70|;10”).split(“\|;”); I want to SUM the amount with group by ID …

## sum a column based on two different columns

I am trying to summarize subsec column by controlling year and ticker in the below table. Such that, a new column to be created and sum of df.subsec to be added here. the table I have the table I need …

## How to find cumulative sum between two dates in MySQL?

How to find cumulative sum between two dates taking into account the previous state? Putting WHERE condition WHERE date BETWEEN ‘2021-02-19 12:00:00’AND ‘2021-02-21 12:00:00’; doesn’t do the job …

## How do I return the sum of the duplicate values in an array of objects plus return the values of the non-duplicate values?

First question on here so please feel free to point out what I should be doing differently or if there are other threads I should refer to. I have array of objects that look like this: const …

## How to sort sum digits from the following list [closed]

list1 = [1236,985,150,641876,167] I want to know how to sorted by sum digits or sorted by last digit in Python. Output sorted by sum of digits in ascending order: [150,1236,167,985,641876]

## Converting for loop to while loop in Python

While preparing for my exam, I got stuck at converting ‘for’ to ‘while’ statement. a= int(input(‘type to calculate the sum of multiples’)) total =0 for i in range(1,101,1): if i %a==0: …

## Sum values of a single row?

I have a MySQL query that returns a single row that is a series of 1s and 0s. It’s for a progress bar indicator. I have the summing of it in code now, but I tried to sum the values in a query, and …