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Added Lottery Odds Calculator (#1762)
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| # <p align="center">Lottery Odds Calculator</p> | ||
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| ## Description :- | ||
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| A calculator that calculates your chances of winning the lottery by taking the input as the number of tickets sold and the number of tickets bought by you. | ||
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| ## Tech Stacks :- | ||
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| - HTML | ||
| - CSS | ||
| - JavaScript | ||
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| ## Screenshots :- | ||
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|  |
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| <!DOCTYPE html> | ||
| <html lang="en"> | ||
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| <head> | ||
| <meta charset="UTF-8"> | ||
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | ||
| <link rel="stylesheet" href="style.css"> | ||
| <title>Lottery Odds Calculator</title> | ||
| </head> | ||
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| <body> | ||
| <header> | ||
| <h1>Lottery Odds Calculator</h1> | ||
| </header> | ||
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| <section id="calculator"> | ||
| <label for="tickets" style="font-size: 18px; font-weight:bold; ">Enter the number of tickets you bought:</label> | ||
| <input type="number" id="tickets" required> | ||
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| <label for="sold" style="font-size: 18px; font-weight:bold;">Enter the total number of tickets sold:</label> | ||
| <input type="number" id="sold" required> | ||
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| <button onclick="calculate()">Calculate</button> | ||
| <br> | ||
| <br> | ||
| <span style="font-weight:bold; font-size:16px;">Your chances of winning the lottery are:</span> | ||
| <p id="result"></p> | ||
| </section> | ||
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| <script src="script.js"></script> | ||
| </body> | ||
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| </html> |
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| function calculate() { | ||
| // Get input values | ||
| const tickets = parseFloat(document.getElementById('tickets').value); | ||
| const sold = parseFloat(document.getElementById('sold').value); | ||
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| // Validate inputs | ||
| if (isNaN(tickets) || isNaN(sold) || sold <= 0) { | ||
| document.getElementById('result').textContent = 'Please enter the values'; | ||
| return; | ||
| } | ||
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| // Perform the calculation | ||
| let r = tickets / sold; | ||
| r = r * 100; | ||
| let result = r.toFixed(2); // Limit to two decimal places | ||
| result += "%"; | ||
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| // Display the result | ||
| const resultElement = document.getElementById('result'); | ||
| resultElement.textContent = result; | ||
| } |
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| body { | ||
| font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; | ||
| margin: 0; | ||
| padding: 0; | ||
| background-color: #aaf0dd; | ||
| } | ||
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| header { | ||
| background-color: #3c25e8; | ||
| color: #fff; | ||
| text-align: center; | ||
| padding: 1em; | ||
| } | ||
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| #calculator { | ||
| max-width: 300px; | ||
| margin: 20px auto; | ||
| border: 2px solid #0c0101; | ||
| padding: 20px; | ||
| border-radius: 8px; | ||
| background: linear-gradient(to right, #deec76, #15df0e); | ||
| background-color: #fff; | ||
| box-shadow: 0 0 10px rgba(0, 0, 0, 0.2); | ||
| text-align: center; | ||
| } | ||
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| label { | ||
| display: block; | ||
| margin-bottom: 8px; | ||
| color: #333; | ||
| } | ||
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| input, | ||
| select { | ||
| width: 100%; | ||
| padding: 10px; | ||
| margin-bottom: 16px; | ||
| box-sizing: border-box; | ||
| border-radius: 9px; | ||
| } | ||
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| button { | ||
| width: 100%; | ||
| height: 40px; | ||
| font-size: 16px; | ||
| cursor: pointer; | ||
| background-color: #103cee; | ||
| color: #fff; | ||
| border: none; | ||
| border-radius: 9px; | ||
| transition: background-color 0.3s; | ||
| } | ||
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| button:hover { | ||
| background-color: #45a09e; | ||
| } | ||
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| #result { | ||
| margin-top: 16px; | ||
| font-weight: bold; | ||
| color: red; | ||
| text-align: center; | ||
| font-size: 22px; | ||
| } | ||
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| #base { | ||
| font-weight: bold; | ||
| } | ||
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| #value { | ||
| font-weight: bold; | ||
| } |
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