wahidustoz

📚 Quiz engine

Build a two‑mode console app—Teacher and Student—that creates, manages, and runs quizzes, using Spectre.Console for all user interaction.

New in this version

• Teacher Mode can disable / enable or delete existing quizzes.
• Optional time‑limited questions feature worth +50 bonus points.

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wahidustoz

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1. Convert Age

Write a C# function that converts given age in years into days.

• consider a year has 365 days
• ignore leap years

Example

Input	Output
65	23725

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[Flags]
enum DayOfWeekFlag
{
    None = 0,
    Monday = 1,
    Tuesday = 2,
    Wednesday = 4,
    Thursday = 8,
    Friday = 16,
    Saturday = 32,

wahidustoz

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wahidustoz

/// <summary>
/// If the service uses dbContext, make sure to get another dbContext within ForEachAsync using service provider
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="source"></param>
/// <param name="maxDegreeOfParallelism"></param>
/// <param name="body"></param>
/// <returns></returns>
public static Task ForEachAsync<T>(IEnumerable<T> source, int maxDegreeOfParallelism, Func<T, Task> body)
{

wahidustoz

public static class DistributedCacheExtensions
{
    public static async Task<T?> GetOrCreateAsync<T>(
        this IDistributedCache cache, 
        string key, 
        Func<DistributedCacheEntryOptions, Task<T>> factory,  
        CancellationToken cancellationToken = default)
    {
        var value = await cache.GetStringAsync(key, cancellationToken);
        if(string.IsNullOrWhiteSpace(value))

wahidustoz

public class Heap<T> where T : IComparable<T>
{
    private class Node(T value)
    {
        public T Value { get; set; } = value;

        private Node right = default;
        public ref Node Right => ref right;
        private Node left = default;
        public ref Node Left => ref left;

wahidustoz

root = true

# All files
[*]
indent_style = space

# Xml files
[*.xml]
indent_size = 2

wahidustoz

using System;
using System.Threading.Tasks;
using FluentValidation;
using FluentValidation.AspNetCore;
using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.AspNetCore.Mvc.ModelBinding;

namespace Actions
{
    public class AsyncAutoValidation : IAsyncActionFilter