feat: add solutions to lc problem: No.2379 (doocs#921)

thinkasany · web-flow · commit 4dbdea4ec998 · 2023-03-09T00:18:47.000+08:00
No.2379.Minimum Recolors to Get K Consecutive Black Blocks
diff --git a/solution/2300-2399/2379.Minimum Recolors to Get K Consecutive Black Blocks/README.md b/solution/2300-2399/2379.Minimum Recolors to Get K Consecutive Black Blocks/README.md
@@ -144,7 +144,19 @@ func minimumRecolors(blocks string, k int) int {
 ### **TypeScript**
 
 ```ts
-
+function minimumRecolors(blocks: string, k: number): number {
+    let cnt = 0;
+    for (let i = 0; i < k; ++i) {
+        cnt += blocks[i] === 'W' ? 1 : 0;
+    }
+    let ans = cnt;
+    for (let i = k; i < blocks.length; ++i) {
+        cnt += blocks[i] === 'W' ? 1 : 0;
+        cnt -= blocks[i - k] === 'W' ? 1 : 0;
+        ans = Math.min(ans, cnt);
+    }
+    return ans;
+}
 ```
 
 ### **...**
diff --git a/solution/2300-2399/2379.Minimum Recolors to Get K Consecutive Black Blocks/README_EN.md b/solution/2300-2399/2379.Minimum Recolors to Get K Consecutive Black Blocks/README_EN.md
@@ -124,7 +124,19 @@ func minimumRecolors(blocks string, k int) int {
 ### **TypeScript**
 
 ```ts
-
+function minimumRecolors(blocks: string, k: number): number {
+    let cnt = 0;
+    for (let i = 0; i < k; ++i) {
+        cnt += blocks[i] === 'W' ? 1 : 0;
+    }
+    let ans = cnt;
+    for (let i = k; i < blocks.length; ++i) {
+        cnt += blocks[i] === 'W' ? 1 : 0;
+        cnt -= blocks[i - k] === 'W' ? 1 : 0;
+        ans = Math.min(ans, cnt);
+    }
+    return ans;
+}
 ```
 
 ### **...**
diff --git a/solution/2300-2399/2379.Minimum Recolors to Get K Consecutive Black Blocks/Solution.ts b/solution/2300-2399/2379.Minimum Recolors to Get K Consecutive Black Blocks/Solution.ts
@@ -0,0 +1,13 @@
+function minimumRecolors(blocks: string, k: number): number {
+    let cnt = 0;
+    for (let i = 0; i < k; ++i) {
+        cnt += blocks[i] === 'W' ? 1 : 0;
+    }
+    let ans = cnt;
+    for (let i = k; i < blocks.length; ++i) {
+        cnt += blocks[i] === 'W' ? 1 : 0;
+        cnt -= blocks[i - k] === 'W' ? 1 : 0;
+        ans = Math.min(ans, cnt);
+    }
+    return ans;
+}
