#1672 - Richest Customer Wealth

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Problem Description

You are given an m x n integer grid accounts where accounts[i][j] is the amount of money the ith customer has in the jth bank. Return the wealth that the richest customer has.

A customer's wealth is the amount of money they have in all their bank accounts. The richest customer is the customer that has the maximum wealth.

Solution

/**
 * @param {number[][]} accounts
 * @return {number}
 */
var maximumWealth = function(accounts) {
  return Math.max(...accounts.map(account => account.reduce((sum, n) => sum + n), 0));
};