LeetCode 1672: Richest Customer Wealth Solution

Master LeetCode problem 1672 (Richest Customer Wealth), a easy challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.

1672. Richest Customer Wealth

Easy

Array Matrix

Problem Explanation

Explanation:

To solve this problem, we need to calculate the wealth of each customer by summing up the amounts in their bank accounts, and then find the maximum wealth among all customers.

Initialize a variable maxWealth to store the maximum wealth found so far.
Iterate over each customer's account and calculate their wealth by summing up the amounts.
Update maxWealth if the current customer's wealth is greater.
Finally, return maxWealth as the result.

Time Complexity: O(m * n) where m is the number of customers and n is the number of bank accounts each customer has.
Space Complexity: O(1) as we are using only a constant amount of extra space.

Solution Code

class Solution {
    public int maximumWealth(int[][] accounts) {
        int maxWealth = 0;
        for (int i = 0; i < accounts.length; i++) {
            int wealth = 0;
            for (int j = 0; j < accounts[i].length; j++) {
                wealth += accounts[i][j];
            }
            maxWealth = Math.max(maxWealth, wealth);
        }
        return maxWealth;
    }
}

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