From 686fe5069d6bcd401bcc371c6c7acafcc96d3fd0 Mon Sep 17 00:00:00 2001
From: aadil42 <77232799+aadil42@users.noreply.github.com>
Date: Sun, 9 Mar 2025 00:34:14 +0530
Subject: [PATCH] Create
 2379-minimum-recolors-to-get-k-consecutive-black-blocks.js

Solved minimum-recolors-to-get-k-consecutive-black-blocks
---
 ...olors-to-get-k-consecutive-black-blocks.js | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 javascript/2379-minimum-recolors-to-get-k-consecutive-black-blocks.js

diff --git a/javascript/2379-minimum-recolors-to-get-k-consecutive-black-blocks.js b/javascript/2379-minimum-recolors-to-get-k-consecutive-black-blocks.js
new file mode 100644
index 000000000..e778a11f5
--- /dev/null
+++ b/javascript/2379-minimum-recolors-to-get-k-consecutive-black-blocks.js
@@ -0,0 +1,31 @@
+/**
+ * Sliding Window
+ * Time O(n) | Space O(1)
+ * https://leetcode.com/problems/minimum-recolors-to-get-k-consecutive-black-blocks
+ * @param {string} blocks
+ * @param {number} k
+ * @return {number}
+ */
+var minimumRecolors = function(blocks, k) {
+    
+    let whiteCount = 0;
+    for (let i = 0; i < k; i++) {
+        if (blocks[i] === "W") whiteCount++;
+    }
+
+    let left = 0;
+    let right = k-1;
+
+    let min = Infinity;
+    while (right < blocks.length) {
+        min = Math.min(min, whiteCount);
+        
+        if (blocks[left] === "W") whiteCount--;
+        left++;
+        right++;
+        if (right < blocks.length && blocks[right] === "W") whiteCount++;
+    }
+
+    return min;
+};
+