Guillaume Valentin

Katas.Session.01/Katas.Session.01/EvenOddKata.cs

@@ -10,8 +10,5 @@ public static class EvenOddKata
     /// <param name="input"></param>
     /// <returns></returns>
     /// <exception cref="NotImplementedException"></exception>
-    public static string EvenOrOdd(int input)
-    {
-        throw new NotImplementedException();
-    }
+    public static string EvenOrOdd(int input) => input % 2 == 0 ? "Even" : "Odd";
 }

Katas.Session.01/Katas.Session.01/MinMaxKata.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 
 namespace Katas.Session._01;
 
@@ -14,6 +15,23 @@ public static class MinMaxKata
     /// <exception cref="NotImplementedException"></exception>
     public static string ComputeMinMax(string input)
     {
-        throw new NotImplementedException();
+        return input.Split(" ").Aggregate((res, curr) =>
+        {
+            int min = 0, max = 0;
+            string[] results = res.Split(" ");
+
+            max = int.Parse(results[0]);
+            min = int.Parse(results[results.Length > 1 ? 1 : 0]);
+
+            if (int.TryParse(curr, out int parsed))
+            {
+                if (parsed < min)
+                    min = parsed;
+                if (parsed > max)
+                    max = parsed;
+            }
+
+            return $"{max} {min}";
+        });
     }
 }

Katas.Session.01/Katas.Session.01/MultipleKata.cs

@@ -14,6 +14,13 @@ public static class MultipleKata
     /// <exception cref="NotImplementedException"></exception>
     public static int SumMultiplesBelow(int input)
     {
-        throw new NotImplementedException();
+        int sum = 0;
+
+        for (int i = 0; i < input; i++)
+        {
+            if (i % 3 == 0 || i % 5 == 0) { sum += i; }
+        }
+
+        return sum;
     }
 }

Katas.Session.01/Katas.Session.01/ReverseStringKata.cs

@@ -12,6 +12,14 @@ public static class ReverseStringKata
     /// <exception cref="NotImplementedException"></exception>
     public static string ReverseWords(string input)
     {
-        throw new NotImplementedException();
+        string[] words = input.Split(" ");
+        string reversed = "";
+
+        foreach (string word in words)
+        {
+            reversed = $"{word} {reversed}";
+        }
+
+        return reversed.Trim();
     }
 }

Katas.Session.01/Katas.Session.01/VowelsKata.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 
 namespace Katas.Session._01;
 
@@ -13,7 +14,15 @@ public static class VowelsKata
     /// <exception cref="NotImplementedException"></exception>
     public static int CountVowels(string input)
     {
-        throw new NotImplementedException();
+        char[] vowels = ['a', 'e', 'i', 'o', 'u'];
+        int count = 0;
+
+        foreach (char letter in input.ToCharArray())
+        {
+            if (vowels.Contains(letter)) count++;
+        }
+
+        return count;
     }
 }