add 3136

Author: fishercoder1534

Diff for: paginated_contents/algorithms/4th_thousand/README.md

@@ -41,6 +41,7 @@
 | 3151 | [Special Array I](https://leetcode.com/problems/special-array-i/)                                                   | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3151.java) |                                                                               | Easy       |
 | 3146 | [Permutation Difference between Two Strings](https://leetcode.com/problems/permutation-difference-between-two-strings/)                                                             | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3146.java) |                                                                               | Easy       |
 | 3142 | [Check if Grid Satisfies Conditions](https://leetcode.com/problems/check-if-grid-satisfies-conditions/)                                                             | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3142.java) |                                                                               | Easy       |
+| 3136 | [Valid Word](https://leetcode.com/problems/valid-word/)                                                               | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3136.java) |                                                                               | Easy       |
 | 3131 | [Find the Integer Added to Array I](https://leetcode.com/problems/find-the-integer-added-to-array-i/)                                                               | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3131.java) |                                                                               | Easy       |
 | 3127 | [Make a Square with the Same Color](https://leetcode.com/problems/make-a-square-with-the-same-color/)                                                               | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3127.java) |                                                                               | Easy       |
 | 3120 | [Count the Number of Special Characters I](https://leetcode.com/problems/count-the-number-of-special-characters-i/)                                                 | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3120.java) |                                                                               | Easy       |

Diff for: src/main/java/com/fishercoder/solutions/fourththousand/_3136.java

@@ -0,0 +1,28 @@
+package com.fishercoder.solutions.fourththousand;
+
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Set;
+
+public class _3136 {
+    public static class Solution1 {
+        public boolean isValid(String word) {
+            if (word.length() < 3) {
+                return false;
+            }
+            Set<Character> vowels = new HashSet<>(Arrays.asList('a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U'));
+            boolean containsVowel = false;
+            boolean containsConsonant = false;
+            for (char c : word.toCharArray()) {
+                if (vowels.contains(c)) {
+                    containsVowel = true;
+                } else if (Character.isAlphabetic(c)) {
+                    containsConsonant = true;
+                } else if (!Character.isDigit(c)) {
+                    return false;
+                }
+            }
+            return containsVowel && containsConsonant;
+        }
+    }
+}