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Grokking the Coding Interview Patterns in Go

Solution: Optimal Account Balancing

Explore how to solve the optimal account balancing problem by calculating net balances and using a backtracking algorithm. Learn to apply depth-first search to minimize the number of transactions needed to settle multiple debts 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], indicating that the person fromifrom_i ...