Merge pull request #2489 from Saipradyumnagoud/master

Added Letter Combination of a phone number Game
Sulagna-Dutta-Roy · Jul 22, 2024 · c2c6364 · c2c6364
2 parents b8eee56 + 483271e
commit c2c6364
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diff --git a/Phone Number Letter Combination/index.html b/Phone Number Letter Combination/index.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>Phone Number Letter Combination</title>
+    <link rel="stylesheet" href="styles.css">
+</head>
+<body>
+    <div class="container">
+        <h1>Phone Number Letter Combination</h1>
+        <input type="text" id="phone-number" placeholder="Enter phone number" maxlength="10">
+        <button onclick="generateCombinations()">Generate Combinations</button>
+        <div id="combinations"></div>
+    </div>
+    <script src="script.js"></script>
+</body>
+</html>
diff --git a/Phone Number Letter Combination/manifest.json b/Phone Number Letter Combination/manifest.json
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+{
+    "name": "Phone Number Letter Combination",
+    "short_name": "LetterCombos",
+    "description": "A web application that generates all possible letter combinations for a given phone number based on a traditional phone keypad.",
+    "start_url": "/",
+    "display": "standalone",
+    "background_color": "#f0f0f0",
+    "theme_color": "#4caf50",
+    "icons": [
+      {
+        "src": "icons/icon-192x192.png",
+        "sizes": "192x192",
+        "type": "image/png"
+      },
+      {
+        "src": "icons/icon-512x512.png",
+        "sizes": "512x512",
+        "type": "image/png"
+      }
+    ]
+  }
+
diff --git a/Phone Number Letter Combination/script.js b/Phone Number Letter Combination/script.js
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+const digitToLetters = {
+    '2': 'abc',
+    '3': 'def',
+    '4': 'ghi',
+    '5': 'jkl',
+    '6': 'mno',
+    '7': 'pqrs',
+    '8': 'tuv',
+    '9': 'wxyz'
+};
+
+function generateCombinations() {
+    const phoneNumber = document.getElementById('phone-number').value;
+    const resultContainer = document.getElementById('combinations');
+    resultContainer.innerHTML = '';
+
+    if (!/^[2-9]+$/.test(phoneNumber)) {
+        resultContainer.innerHTML = '<p>Please enter a valid phone number containing digits 2-9.</p>';
+        return;
+    }
+
+    const combinations = getCombinations(phoneNumber);
+
+    combinations.forEach(combination => {
+        const p = document.createElement('p');
+        p.textContent = combination;
+        resultContainer.appendChild(p);
+    });
+}
+
+function getCombinations(digits) {
+    if (digits.length === 0) {
+        return [];
+    }
+    if (digits.length === 1) {
+        return digitToLetters[digits[0]].split('');
+    }
+
+    const prevCombinations = getCombinations(digits.slice(0, -1));
+    const additionalLetters = digitToLetters[digits[digits.length - 1]];
+    const newCombinations = [];
+
+    prevCombinations.forEach(combination => {
+        for (const letter of additionalLetters) {
+            newCombinations.push(combination + letter);
+        }
+    });
+
+    return newCombinations;
+}
diff --git a/Phone Number Letter Combination/styles.css b/Phone Number Letter Combination/styles.css
@@ -0,0 +1,57 @@
+body {
+    font-family: Arial, sans-serif;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 100vh;
+    margin: 0;
+    background-color: #f0f0f0;
+}
+
+.container {
+    text-align: center;
+    background: white;
+    padding: 20px;
+    border-radius: 8px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+}
+
+h1 {
+    margin-bottom: 20px;
+}
+
+input {
+    padding: 10px;
+    font-size: 16px;
+    margin-bottom: 20px;
+    width: 80%;
+    max-width: 300px;
+    border: 1px solid #ccc;
+    border-radius: 4px;
+}
+
+button {
+    padding: 10px 20px;
+    font-size: 16px;
+    border: none;
+    border-radius: 5px;
+    background-color: #4caf50;
+    color: white;
+    cursor: pointer;
+}
+
+button:hover {
+    background-color: #45a049;
+}
+
+#combinations {
+    margin-top: 20px;
+    text-align: left;
+    max-height: 300px;
+    overflow-y: auto;
+}
+
+#combinations p {
+    padding: 5px;
+    border-bottom: 1px solid #ddd;
+}