From e5229c61ccac09608b2110f9eaa83c2c8b2b8562 Mon Sep 17 00:00:00 2001
From: rain84 <rainy_sky@mail.ru>
Date: Sat, 22 Jun 2024 19:36:53 +0300
Subject: [PATCH] refactor: update ts solution to lc problem: No.1248

---
 .../1248.Count Number of Nice Subarrays/README.md          | 7 ++-----
 .../1248.Count Number of Nice Subarrays/README_EN.md       | 7 ++-----
 .../1248.Count Number of Nice Subarrays/Solution.ts        | 7 ++-----
 3 files changed, 6 insertions(+), 15 deletions(-)

diff --git a/solution/1200-1299/1248.Count Number of Nice Subarrays/README.md b/solution/1200-1299/1248.Count Number of Nice Subarrays/README.md
index 7c5a8b3e828d1..4f93aa018c6fc 100644
--- a/solution/1200-1299/1248.Count Number of Nice Subarrays/README.md	
+++ b/solution/1200-1299/1248.Count Number of Nice Subarrays/README.md	
@@ -157,13 +157,10 @@ function numberOfSubarrays(nums: number[], k: number): number {
     const n = nums.length;
     const cnt = Array(n + 1).fill(0);
     cnt[0] = 1;
-    let ans = 0;
-    let t = 0;
+    let [t, ans] = [0, 0];
     for (const v of nums) {
         t += v & 1;
-        if (t >= k) {
-            ans += cnt[t - k];
-        }
+        ans += cnt[t - k] ?? 0;
         cnt[t] += 1;
     }
     return ans;
diff --git a/solution/1200-1299/1248.Count Number of Nice Subarrays/README_EN.md b/solution/1200-1299/1248.Count Number of Nice Subarrays/README_EN.md
index 492b0e35d7a75..b6eebf6cc6e73 100644
--- a/solution/1200-1299/1248.Count Number of Nice Subarrays/README_EN.md	
+++ b/solution/1200-1299/1248.Count Number of Nice Subarrays/README_EN.md	
@@ -155,13 +155,10 @@ function numberOfSubarrays(nums: number[], k: number): number {
     const n = nums.length;
     const cnt = Array(n + 1).fill(0);
     cnt[0] = 1;
-    let ans = 0;
-    let t = 0;
+    let [t, ans] = [0, 0];
     for (const v of nums) {
         t += v & 1;
-        if (t >= k) {
-            ans += cnt[t - k];
-        }
+        ans += cnt[t - k] ?? 0;
         cnt[t] += 1;
     }
     return ans;
diff --git a/solution/1200-1299/1248.Count Number of Nice Subarrays/Solution.ts b/solution/1200-1299/1248.Count Number of Nice Subarrays/Solution.ts
index 4a6eaa498b4df..c5545d8d35674 100644
--- a/solution/1200-1299/1248.Count Number of Nice Subarrays/Solution.ts	
+++ b/solution/1200-1299/1248.Count Number of Nice Subarrays/Solution.ts	
@@ -2,13 +2,10 @@ function numberOfSubarrays(nums: number[], k: number): number {
     const n = nums.length;
     const cnt = Array(n + 1).fill(0);
     cnt[0] = 1;
-    let ans = 0;
-    let t = 0;
+    let [t, ans] = [0, 0];
     for (const v of nums) {
         t += v & 1;
-        if (t >= k) {
-            ans += cnt[t - k];
-        }
+        ans += cnt[t - k] ?? 0;
         cnt[t] += 1;
     }
     return ans;