mirror of
https://github.com/th30d4y/OpenLearnX.git
synced 2026-05-26 11:25:49 +00:00
some kinda
This commit is contained in:
@@ -1,5 +1,454 @@
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import { CodingProblemList } from "@/components/coding-problem-list"
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'use client'
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import React, { useState, useEffect } from 'react'
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import { useRouter } from 'next/navigation'
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import { Play, Lock, Shield, AlertTriangle, Users, Trophy, Clock } from 'lucide-react'
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export default function CodingPage() {
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return <CodingProblemList />
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type UserRole = 'selector' | 'host' | 'participant'
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type ExamStatus = 'waiting' | 'active' | 'completed'
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interface Participant {
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name: string
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score: number
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completed: boolean
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submitted_at?: string
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}
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export default function CodingExamPlatform() {
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const [userRole, setUserRole] = useState<UserRole>('selector')
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const [examId, setExamId] = useState('')
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const [participantName, setParticipantName] = useState('')
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const [examInfo, setExamInfo] = useState<any>(null)
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const [systemChecked, setSystemChecked] = useState(false)
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const [isSecureMode, setIsSecureMode] = useState(false)
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const [leaderboard, setLeaderboard] = useState<Participant[]>([])
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const [timeRemaining, setTimeRemaining] = useState(0)
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// Coding states
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const [code, setCode] = useState('')
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const [output, setOutput] = useState('')
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const [isExecuting, setIsExecuting] = useState(false)
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const router = useRouter()
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// System Requirements Check
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const checkSystemRequirements = () => {
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const checks = {
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fullscreenSupported: document.fullscreenEnabled,
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webGLSupported: !!document.createElement('canvas').getContext('webgl'),
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localStorageSupported: typeof Storage !== 'undefined',
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cookiesEnabled: navigator.cookieEnabled
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}
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const allPassed = Object.values(checks).every(check => check)
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if (allPassed) {
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setSystemChecked(true)
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alert('System requirements check passed! ✅')
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} else {
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alert('System requirements not met. Please use a modern browser.')
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}
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return allPassed
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}
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const acceptSystemRequirements = () => {
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if (checkSystemRequirements()) {
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enableSecureMode()
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}
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}
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const enableSecureMode = () => {
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// Enter fullscreen
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document.documentElement.requestFullscreen().then(() => {
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setIsSecureMode(true)
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disableBrowserFeatures()
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detectVirtualEnvironment()
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// Start exam timer if in active exam
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if (examInfo?.status === 'active') {
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startExamTimer()
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}
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}).catch(() => {
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alert('Fullscreen mode is required for secure coding')
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})
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}
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const disableBrowserFeatures = () => {
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// Disable right-click, copy/paste, dev tools
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const blockActions = (e: KeyboardEvent) => {
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if (e.ctrlKey && ['c', 'v', 'x', 'a'].includes(e.key)) {
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e.preventDefault()
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alert('Copy/paste is disabled in exam mode')
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}
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if (e.key === 'F12' || (e.ctrlKey && e.shiftKey && ['I', 'C'].includes(e.key))) {
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e.preventDefault()
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alert('Developer tools are disabled')
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}
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}
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document.addEventListener('keydown', blockActions)
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document.addEventListener('contextmenu', e => e.preventDefault())
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document.addEventListener('selectstart', e => e.preventDefault())
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}
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const detectVirtualEnvironment = () => {
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const canvas = document.createElement('canvas')
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const gl = canvas.getContext('webgl')
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if (gl) {
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const renderer = gl.getParameter(gl.RENDERER)
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if (renderer.includes('VMware') || renderer.includes('VirtualBox')) {
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alert('Virtual environment detected. Exam will be terminated.')
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window.location.href = '/'
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}
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}
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}
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const createExam = async () => {
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try {
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const response = await fetch('http://127.0.0.1:5000/api/exam/create-exam', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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title: 'String Capitalizer Challenge',
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problem_id: 'string-capitalizer',
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duration_minutes: 30,
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host_name: participantName
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})
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})
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const data = await response.json()
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if (data.success) {
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setExamId(data.exam_code)
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setExamInfo({ title: 'String Capitalizer Challenge', status: 'waiting' })
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alert(`Exam created! Share this code with participants: ${data.exam_code}`)
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}
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} catch (error) {
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alert('Failed to create exam')
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}
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}
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const joinExam = async () => {
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try {
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const response = await fetch('http://127.0.0.1:5000/api/exam/join-exam', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({
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exam_id: examId,
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name: participantName
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})
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})
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const data = await response.json()
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if (data.success) {
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setExamInfo(data.exam_info)
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alert('Successfully joined the exam!')
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} else {
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alert(data.error)
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}
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} catch (error) {
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alert('Failed to join exam')
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}
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}
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const startExam = async () => {
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try {
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const response = await fetch('http://127.0.0.1:5000/api/exam/start-exam', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ exam_id: examId })
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})
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const data = await response.json()
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if (data.success) {
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setExamInfo(prev => ({ ...prev, status: 'active' }))
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alert('Exam started! Participants can now begin coding.')
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startExamTimer()
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}
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} catch (error) {
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alert('Failed to start exam')
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}
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}
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const startExamTimer = () => {
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const duration = 30 * 60 // 30 minutes in seconds
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setTimeRemaining(duration)
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const timer = setInterval(() => {
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setTimeRemaining(prev => {
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if (prev <= 1) {
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clearInterval(timer)
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alert('Time is up!')
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return 0
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}
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return prev - 1
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})
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}, 1000)
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}
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const submitSolution = async () => {
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try {
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const response = await fetch('http://127.0.0.1:5000/api/exam/submit-solution', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ code })
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})
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const data = await response.json()
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if (data.success) {
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alert(`Solution submitted! Your score: ${data.score}%`)
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fetchLeaderboard()
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}
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} catch (error) {
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alert('Failed to submit solution')
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}
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}
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const fetchLeaderboard = async () => {
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try {
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const response = await fetch(`http://127.0.0.1:5000/api/exam/leaderboard/${examId}`)
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const data = await response.json()
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setLeaderboard(data.leaderboard)
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} catch (error) {
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console.error('Failed to fetch leaderboard')
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}
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}
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const formatTime = (seconds: number) => {
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const mins = Math.floor(seconds / 60)
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const secs = seconds % 60
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return `${mins.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`
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}
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// Role Selection Screen
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if (userRole === 'selector') {
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return (
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<div className="min-h-screen bg-gradient-to-br from-blue-900 to-purple-900 flex items-center justify-center">
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<div className="bg-white rounded-lg shadow-xl p-8 max-w-md w-full">
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<h1 className="text-2xl font-bold text-center mb-8">OpenLearnX Coding Exam</h1>
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<div className="space-y-4">
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<button
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onClick={() => setUserRole('host')}
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className="w-full bg-blue-600 hover:bg-blue-700 text-white py-3 px-4 rounded-lg flex items-center justify-center space-x-2"
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>
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<Users className="h-5 w-5" />
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<span>Host an Exam</span>
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</button>
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<button
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onClick={() => setUserRole('participant')}
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className="w-full bg-green-600 hover:bg-green-700 text-white py-3 px-4 rounded-lg flex items-center justify-center space-x-2"
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>
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<Play className="h-5 w-5" />
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<span>Join an Exam</span>
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</button>
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</div>
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</div>
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</div>
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)
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}
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// Host Setup Screen
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if (userRole === 'host' && !examId) {
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return (
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<div className="min-h-screen bg-gradient-to-br from-blue-900 to-purple-900 flex items-center justify-center">
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<div className="bg-white rounded-lg shadow-xl p-8 max-w-md w-full">
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<h1 className="text-2xl font-bold text-center mb-8">Host Coding Exam</h1>
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<div className="space-y-4">
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<input
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type="text"
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placeholder="Enter your name"
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value={participantName}
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onChange={(e) => setParticipantName(e.target.value)}
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className="w-full p-3 border border-gray-300 rounded-lg"
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/>
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<button
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onClick={createExam}
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disabled={!participantName}
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className="w-full bg-blue-600 hover:bg-blue-700 disabled:bg-gray-400 text-white py-3 px-4 rounded-lg"
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>
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Create Exam
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</button>
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</div>
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</div>
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</div>
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)
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}
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// Join Exam Screen
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if (userRole === 'participant' && !examInfo) {
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return (
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<div className="min-h-screen bg-gradient-to-br from-green-900 to-blue-900 flex items-center justify-center">
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<div className="bg-white rounded-lg shadow-xl p-8 max-w-md w-full">
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<h1 className="text-2xl font-bold text-center mb-8">Join Coding Exam</h1>
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<div className="space-y-4">
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<input
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type="text"
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placeholder="Enter exam code"
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value={examId}
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onChange={(e) => setExamId(e.target.value.toUpperCase())}
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className="w-full p-3 border border-gray-300 rounded-lg"
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/>
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<input
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type="text"
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placeholder="Enter your name"
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value={participantName}
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onChange={(e) => setParticipantName(e.target.value)}
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className="w-full p-3 border border-gray-300 rounded-lg"
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/>
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<button
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onClick={joinExam}
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disabled={!examId || !participantName}
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className="w-full bg-green-600 hover:bg-green-700 disabled:bg-gray-400 text-white py-3 px-4 rounded-lg"
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>
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Join Exam
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</button>
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</div>
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</div>
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</div>
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)
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}
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// System Requirements Check
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if (!systemChecked) {
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return (
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<div className="min-h-screen bg-gray-900 text-white flex items-center justify-center">
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<div className="bg-gray-800 rounded-lg p-8 max-w-lg w-full">
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<h1 className="text-2xl font-bold mb-6">System Requirements Check</h1>
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<div className="space-y-4 mb-6">
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<div className="flex items-center space-x-2">
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<Shield className="h-5 w-5 text-green-400" />
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<span>Fullscreen mode support</span>
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</div>
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<div className="flex items-center space-x-2">
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<Lock className="h-5 w-5 text-yellow-400" />
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<span>Copy/paste will be disabled</span>
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</div>
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<div className="flex items-center space-x-2">
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<AlertTriangle className="h-5 w-5 text-red-400" />
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<span>Virtual environments will be detected</span>
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</div>
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</div>
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<button
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onClick={acceptSystemRequirements}
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className="w-full bg-red-600 hover:bg-red-700 text-white py-3 px-4 rounded-lg"
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>
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Accept & Enter Secure Mode
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</button>
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</div>
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</div>
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)
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}
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// Main Exam Interface
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return (
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<div className="min-h-screen bg-gray-900 text-white">
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{/* Security Status Bar */}
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<div className="bg-red-900 text-white p-2 flex items-center justify-between">
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<div className="flex items-center space-x-4">
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<Shield className="h-4 w-4" />
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<span className="text-sm font-medium">SECURE MODE ACTIVE</span>
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<Lock className="h-4 w-4" />
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<span className="text-sm">Copy/Paste Disabled</span>
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</div>
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<div className="flex items-center space-x-4">
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{timeRemaining > 0 && (
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<div className="flex items-center space-x-2">
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<Clock className="h-4 w-4" />
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<span className="font-mono">{formatTime(timeRemaining)}</span>
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</div>
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)}
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<span>Exam: {examId}</span>
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</div>
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</div>
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<div className="flex h-screen">
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{/* Main Coding Area */}
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<div className="flex-1 p-6">
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{/* Problem Description */}
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<div className="bg-gray-800 rounded-lg p-6 mb-6">
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<h2 className="text-xl font-bold mb-4">Problem: String Capitalizer</h2>
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<p className="mb-4">Write a function that converts a string to uppercase.</p>
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<div className="bg-gray-900 p-4 rounded">
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<code>
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{`def capitalize_string(text):
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# Your code here
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pass
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# Test: capitalize_string("hello") should return "HELLO"`}
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</code>
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</div>
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</div>
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{/* Code Editor */}
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<div className="bg-gray-800 rounded-lg p-4">
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<h3 className="text-lg font-bold mb-4">Code Editor</h3>
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<textarea
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value={code}
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onChange={(e) => setCode(e.target.value)}
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placeholder="def capitalize_string(text):\n # Your code here\n pass"
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className="w-full h-64 bg-gray-900 text-green-400 font-mono p-4 rounded border border-gray-600 resize-none"
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style={{ userSelect: 'none', WebkitUserSelect: 'none' }}
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/>
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<div className="flex space-x-4 mt-4">
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<button
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onClick={submitSolution}
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className="bg-green-600 hover:bg-green-700 px-6 py-2 rounded flex items-center space-x-2"
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>
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<Play className="h-4 w-4" />
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<span>Submit Solution</span>
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</button>
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{userRole === 'host' && examInfo?.status === 'waiting' && (
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<button
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onClick={startExam}
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className="bg-blue-600 hover:bg-blue-700 px-6 py-2 rounded"
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>
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Start Exam
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</button>
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)}
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</div>
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</div>
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</div>
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{/* Leaderboard Sidebar */}
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<div className="w-80 bg-gray-800 p-6">
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<div className="flex items-center space-x-2 mb-4">
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<Trophy className="h-6 w-6 text-yellow-400" />
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<h3 className="text-xl font-bold">Leaderboard</h3>
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</div>
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<div className="space-y-2">
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{leaderboard.map((participant, index) => (
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<div key={index} className={`p-3 rounded ${index === 0 ? 'bg-yellow-900' : index === 1 ? 'bg-gray-700' : index === 2 ? 'bg-orange-900' : 'bg-gray-700'}`}>
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<div className="flex justify-between items-center">
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<span className="font-medium">
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{index + 1}. {participant.name}
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</span>
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<span className="font-bold">{participant.score}%</span>
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</div>
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</div>
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))}
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</div>
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<button
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onClick={fetchLeaderboard}
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className="w-full mt-4 bg-blue-600 hover:bg-blue-700 px-4 py-2 rounded text-sm"
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>
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Refresh Leaderboard
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</button>
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</div>
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</div>
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</div>
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)
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}
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Reference in New Issue
Block a user