Code_Quest/java_hard.html at main · Sakshi-2508/Code_Quest · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Java Easy Challenges</title>
<style>
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      height: 200px;
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</style>
</head>
<body>

<h1>Java Hard Challenges</h1>

<div id="problem"></div>

<textarea id="codeEditor"></textarea>

<div>
  <button id="prevBtn" disabled>Previous</button>
  <button id="runBtn">Run Code</button>
  <button id="nextBtn">Next</button>
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<div id="scoreDisplay" style="text-align: center; margin-top: 0.5rem; font-weight: bold;">
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    boilerplate: `public class Main {
    public static void main(String[] args) {
        // Your code here
    }
}`,
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    public static void main(String[] args) {
        // Your code here
    }
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    problem: 'Write a Java program to perform matrix multiplication.',
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        // Your code here
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    problem: 'Write a Java program to implement merge sort algorithm.',
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    public static void main(String[] args) {
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    problem: 'Write a Java program to serialize and deserialize an object.',
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    public static void main(String[] args) {
        // Your code here
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    public static void main(String[] args) {
        // Your code here
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    problem: 'Write a Java program to find the shortest path in a graph using Dijkstra’s algorithm.',
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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    problem: 'Write a Java program to detect a cycle in a directed graph.',
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    public static void main(String[] args) {
        // Your code here
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    problem: 'Write a Java program to solve the N-Queens problem using backtracking.',
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    public static void main(String[] args) {
        // Your code here
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}`,
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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    public static void main(String[] args) {
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}`,
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    problem: 'Write a Java program to parse and evaluate a mathematical expression (e.g., “3 + 4 * 2”).',
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    public static void main(String[] args) {
        // Your code here
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}`,
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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    problem: 'Write a Java program to implement a trie (prefix tree) data structure.',
    boilerplate: `public class Main {
    public static void main(String[] args) {
        // Your code here
    }
}`,
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  {
    problem: 'Write a Java program to find the longest increasing subsequence in an array.',
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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    problem: 'Write a Java program to implement a radix sort algorithm.',
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    problem: 'Write a Java program to implement a graph using adjacency list and perform DFS traversal.',
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        // Your code here
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    problem: 'Write a Java program to find the median of two sorted arrays.',
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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  {
    problem: 'Write a Java program to implement a cache with expiration time.',
    boilerplate: `public class Main {
    public static void main(String[] args) {
        // Your code here
    }
}`,
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    problem: 'Write a Java program to implement multithreading with thread synchronization.',
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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    problem: 'Write a Java program to implement quicksort algorithm.',
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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    problem: 'Write a Java program to find the maximum subarray sum using Kadane’s algorithm.',
    boilerplate: `public class Main {
    public static void main(String[] args) {
        // Your code here
    }
}`,
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    problem: 'Write a Java program to implement a binary heap.',
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    public static void main(String[] args) {
        // Your code here
    }
}`,
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</body>
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