add 3208

fishercoder1534 · fishercoder1534 · commit 9240e87893b6 · 2024-07-06T09:37:03.000-07:00
diff --git a/paginated_contents/algorithms/4th_thousand/README.md b/paginated_contents/algorithms/4th_thousand/README.md
@@ -1,15 +1,16 @@
 | #    | Title                                                                                                                                                               | Solutions                                                                                                                         | Video                                                                         | Difficulty | Tag                                                                  
 |------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------|------------|----------------------------------------------------------------------
-| 3206 | [Alternating Groups I](https://leetcode.com/problems/alternating-groups-i/) | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3206.java) |                                                                               | Easy       |
-| 3200 | [Maximum Height of a Triangle](https://leetcode.com/problems/maximum-height-of-a-triangle/) | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3200.java) |                                                                               | Easy       |
-| 3199 | [Count Triplets with Even XOR Set Bits I](https://leetcode.com/problems/count-triplets-with-even-xor-set-bits-i/) | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3199.java) |                                                                               | Easy       |
-| 3196 | [Maximize Total Cost of Alternating Subarrays](https://leetcode.com/problems/maximize-total-cost-of-alternating-subarrays/) | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3196.java) |                                                                               | Medium     |DP
-| 3195 | [Find the Minimum Area to Cover All Ones I](https://leetcode.com/problems/find-the-minimum-area-to-cover-all-ones-i/) | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3195.java) |                                                                               | Medium     |
-| 3194 | [Minimum Average of Smallest and Largest Elements](https://leetcode.com/problems/minimum-average-of-smallest-and-largest-elements/) | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3194.java) |                                                                               | Easy       |
+| 3208 | [Alternating Groups II](https://leetcode.com/problems/alternating-groups-ii/)                                                                                       | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3208.java) |                                                                               | Medium     |
+| 3206 | [Alternating Groups I](https://leetcode.com/problems/alternating-groups-i/)                                                                                         | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3206.java) |                                                                               | Easy       |
+| 3200 | [Maximum Height of a Triangle](https://leetcode.com/problems/maximum-height-of-a-triangle/)                                                                         | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3200.java) |                                                                               | Easy       |
+| 3199 | [Count Triplets with Even XOR Set Bits I](https://leetcode.com/problems/count-triplets-with-even-xor-set-bits-i/)                                                   | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3199.java) |                                                                               | Easy       |
+| 3196 | [Maximize Total Cost of Alternating Subarrays](https://leetcode.com/problems/maximize-total-cost-of-alternating-subarrays/)                                         | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3196.java) |                                                                               | Medium     |DP
+| 3195 | [Find the Minimum Area to Cover All Ones I](https://leetcode.com/problems/find-the-minimum-area-to-cover-all-ones-i/)                                               | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3195.java) |                                                                               | Medium     |
+| 3194 | [Minimum Average of Smallest and Largest Elements](https://leetcode.com/problems/minimum-average-of-smallest-and-largest-elements/)                                 | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3194.java) |                                                                               | Easy       |
 | 3192 | [Minimum Operations to Make Binary Array Elements Equal to One II](https://leetcode.com/problems/minimum-operations-to-make-binary-array-elements-equal-to-one-ii/) | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3192.java) |                                                                               | Medium     |
 | 3191 | [Minimum Operations to Make Binary Array Elements Equal to One I](https://leetcode.com/problems/minimum-operations-to-make-binary-array-elements-equal-to-one-i/)   | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3191.java) |                                                                               | Medium     |
 | 3190 | [Find Minimum Operations to Make All Elements Divisible by Three](https://leetcode.com/problems/find-minimum-operations-to-make-all-elements-divisible-by-three/)   | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3190.java) |                                                                               | Easy       |
-| 3189 | [Minimum Moves to Get a Peaceful Board](https://leetcode.com/problems/minimum-moves-to-get-a-peaceful-board/)                                                   | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3186.java) |                                                                               | Medium     | Greedy
+| 3189 | [Minimum Moves to Get a Peaceful Board](https://leetcode.com/problems/minimum-moves-to-get-a-peaceful-board/)                                                       | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3186.java) |                                                                               | Medium     | Greedy
 | 3186 | [Maximum Total Damage With Spell Casting](https://leetcode.com/problems/maximum-total-damage-with-spell-casting/)                                                   | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3186.java) |                                                                               | Medium     | DP
 | 3185 | [Count Pairs That Form a Complete Day II](https://leetcode.com/problems/count-pairs-that-form-a-complete-day-ii/)                                                   | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3185.java) |                                                                               | Medium     |
 | 3184 | [Count Pairs That Form a Complete Day I](https://leetcode.com/problems/count-pairs-that-form-a-complete-day-i/)                                                     | [Java](https://github.com/fishercoder1534/Leetcode/blob/master/src/main/java/com/fishercoder/solutions/fourththousand/_3184.java) |                                                                               | Easy       |
diff --git a/src/main/java/com/fishercoder/solutions/fourththousand/_3208.java b/src/main/java/com/fishercoder/solutions/fourththousand/_3208.java
@@ -0,0 +1,24 @@
+package com.fishercoder.solutions.fourththousand;
+
+public class _3208 {
+    public static class Solution1 {
+        public int numberOfAlternatingGroups(int[] colors, int k) {
+            int len = colors.length;
+            int groups = 0;
+            int i = 0;
+            for (; i < len; i++) {
+                int j = i + 1;
+                for (; j < len + k - 1; j++) {
+                    if (colors[j % len] == colors[(j - 1) % len]) {
+                        break;
+                    }
+                    if (j - i + 1 >= k) {
+                        groups++;
+                    }
+                }
+                i = j - 1;
+            }
+            return groups;
+        }
+    }
+}
