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140 changes: 140 additions & 0 deletions dsasumofindex.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>DSA Problems with Code Editor</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/codemirror.min.css">
<style>
body {
font-family: Arial, sans-serif;
margin: 0;
padding: 0;
background-color: #f9f9f9;
}
header {
background-color: #4CAF50;
color: white;
padding: 20px;
text-align: center;
}
header h1 {
margin: 0;
font-size: 2.5em;
}
.container {
padding: 20px;
}
.topic {
margin-bottom: 30px;
}
.topic h2 {
margin-bottom: 10px;
color: #4CAF50;
border-bottom: 2px solid #4CAF50;
display: inline-block;
}
.problems {
list-style-type: none;
padding: 0;
}
.problems li {
margin: 5px 0;
padding: 10px;
background: white;
border-radius: 5px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
cursor: pointer;
}
.problems li a {
text-decoration: none;
color: #333;
font-weight: bold;
}
.problems li a:hover {
color: #4CAF50;
}
.editor-container {
margin-top: 20px;
background: #ffffff;
padding: 20px;
border-radius: 5px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.editor-header {
margin-bottom: 10px;
font-size: 1.2em;
color: #4CAF50;
}
#codeEditor {
border: 1px solid #ddd;
height: 300px;
}
button {
margin-top: 10px;
padding: 10px 15px;
font-size: 1em;
color: white;
background-color: #4CAF50;
border: none;
border-radius: 5px;
cursor: pointer;
}
button:hover {
background-color: #45a049;
}
</style>
</head>
<body>
<header>
<h1>DSA Problems with Code Editor</h1>
</header>
<div class="container">
<div class="topic">
<h2>Problem 1: Sum of Index Value</h2>
<p>Write a function that sum of index values.</p>
</div>
<div class="editor-container">
<div class="editor-header">Code Editor</div>
<textarea id="codeEditor">// Example Template: Reverse a String

function reverseString(str) {
let reversed = '';
for (let i = str.length - 1; i >= 0; i--) {
reversed += str[i];
}
return reversed;
}

// Example usage:
const exampleString = "Hello, World!";
console.log(reverseString(exampleString)); // Expected output: "!dlroW ,olleH"
</textarea>
<button onclick="runCode()">Run Code</button>
<pre id="output" style="margin-top: 10px; background: #f1f1f1; padding: 10px; border-radius: 5px;"></pre>
</div>
</div>

<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/codemirror.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/mode/javascript/javascript.min.js"></script>
<script>
// Initialize CodeMirror editor
const editor = CodeMirror.fromTextArea(document.getElementById("codeEditor"), {
lineNumbers: true,
mode: "javascript",
theme: "default",
});

// Function to run the code
function runCode() {
const userCode = editor.getValue();
try {
const output = eval(userCode);
document.getElementById("output").textContent = `Output: ${output}`;
} catch (error) {
document.getElementById("output").textContent = `Error: ${error.message}`;
}
}
</script>
</body>
</html>