Leetcode Problem 339. Nested List Weight Sum

339. Nested List Weight Sum

Leetcode Solutions

Define a helper function dfs that takes a NestedInteger and the current depth as arguments.
Initialize a variable total to store the running sum.
If the NestedInteger is an integer, multiply its value by the current depth and add it to total.
If the NestedInteger is a list, iterate over its elements and call dfs on each element with the depth incremented by 1.
Return total after processing all elements.

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