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Grokking the Coding Interview Patterns in C#

Solution: Optimal Account Balancing

Explore the Optimal Account Balancing problem and learn to use backtracking with depth-first search to minimize the number of transactions needed to settle debts among a group. This lesson teaches how to compute net balances, pair opposite debts recursively, and apply backtracking to find the optimal solution efficiently.

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Statement

Given a list of transactions, where each transaction is represented as transactions[i]=[fromi, toi, amounti]transactions[i] = [from_i,~ to_i,~amount_i] ...