Intuit Coding Questions - DSA Problems & Solutions

Company Overview

This page contains Intuit coding questions from Intuit OA placement papers with detailed solutions.

Coding Focus

Intuit OA coding section includes 2-3 problems focusing on DSA and financial technology concepts. Master arrays, trees, graphs, and system design to succeed.

Intuit Coding Questions Overview

Intuit OA Coding Section:

• Problems: 2-3 coding problems
• Time: 90 minutes
• Languages: Java, Python

Coding Problems

Question 1: Transaction Validation

Q1: Validate a list of financial transactions and detect anomalies.

Solution (Java):

public List<String> validateTransactions(List<Transaction> transactions) {
    List<String> anomalies = new ArrayList<>();
    Map<String, Double> accountBalances = new HashMap<>();

    for (Transaction txn : transactions) {
        double balance = accountBalances.getOrDefault(txn.account, 0.0);
        if (txn.type.equals("DEBIT")) {
            if (balance < txn.amount) {
                anomalies.add("Insufficient balance: " + txn.account);
            } else {
                accountBalances.put(txn.account, balance - txn.amount);
            }
        } else {
            accountBalances.put(txn.account, balance + txn.amount);
        }
    }

    return anomalies;
}

Time Complexity: O(n)

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