Solution: Construct Target Array With Multiple Sums
Explore how to solve the problem of constructing a target array from an initial array of ones by reversing the process. Understand how max heaps prioritize the largest elements and how modulo operations reduce them step-by-step, enabling efficient verification of feasibility. Learn to apply this approach to optimize time and space complexity in dynamic array transformations.
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Statement
You are given an array target of n integers.
Starting from an array arr of size n where every element is 1, you may perform the following operation any number of times:
Let
xbe the sum of all current elements inarr.Pick an index
iand setarr[i] = x.
Your task is to return True if it’s possible to construct target from arr, otherwise return False.
Constraints:
n == target.lengthn...