Created
August 19, 2021 05:33
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HackerRank Day 9 - C# "Recursion 3"
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| using System.CodeDom.Compiler; | |
| using System.Collections.Generic; | |
| using System.Collections; | |
| using System.ComponentModel; | |
| using System.Diagnostics.CodeAnalysis; | |
| using System.Globalization; | |
| using System.IO; | |
| using System.Linq; | |
| using System.Reflection; | |
| using System.Runtime.Serialization; | |
| using System.Text.RegularExpressions; | |
| using System.Text; | |
| using System; | |
| class Result | |
| { | |
| /* | |
| * Complete the 'factorial' function below. | |
| * | |
| * The function is expected to return an INTEGER. | |
| * The function accepts INTEGER n as parameter. | |
| */ | |
| public static int factorial(int n) | |
| { | |
| if (n < 2) | |
| return 1; | |
| return n * factorial(n - 1); | |
| } | |
| } | |
| class Solution | |
| { | |
| public static void Main(string[] args) | |
| { | |
| TextWriter textWriter = new StreamWriter(@System.Environment.GetEnvironmentVariable("OUTPUT_PATH"), true); | |
| int n = Convert.ToInt32(Console.ReadLine().Trim()); | |
| int result = Result.factorial(n); | |
| textWriter.WriteLine(result); | |
| textWriter.Flush(); | |
| textWriter.Close(); | |
| } | |
| } |
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