Leetcode Problem 2221. Find Triangular Sum of an Array

2221. Find Triangular Sum of an Array

Leetcode Solutions

Iterative Reduction Approach

  1. Check if the input array nums has only one element. If so, return that element as the triangular sum.
  2. While the size of nums is greater than 1: a. Initialize an empty list newNums. b. Iterate over nums from the first element to the second-to-last element. c. For each iteration, calculate the sum of the current element and the next element modulo 10 and append it to newNums. d. Replace nums with newNums.
  3. After the loop, return the first element of nums, which is the triangular sum.
UML Thumbnail

In-Place Update Approach

Ask Question

Programming Language
image/screenshot of info(optional)
Full Screen
Loading...

Suggested Answer

Answer
Full Screen
Copy Answer Code
Loading...