https://leetcode.cn/problems/finding-the-users-active-minutes

Author: masx200

README.md

@@ -49,6 +49,8 @@ Step 2. Add the dependency
 
 <summary>展开查看</summary>
 
+https://leetcode.cn/problems/finding-the-users-active-minutes
+
 https://leetcode.cn/problems/strong-password-checker-ii/
 
 https://leetcode.cn/problems/finding-mk-average

finding-the-users-active-minutes/index.ts

@@ -0,0 +1,16 @@
+function findingUsersActiveMinutes(logs: number[][], k: number): number[] {
+    const activeMinutes = new Map<number, Set<number>>();
+    for (const [id, time] of logs) {
+        if (!activeMinutes.has(id)) {
+            activeMinutes.set(id, new Set());
+        }
+        activeMinutes.get(id)?.add(time);
+    }
+    const answer: number[] = new Array(k).fill(0);
+    for (const minutes of activeMinutes.values()) {
+        const activeCount = minutes.size;
+        answer[activeCount - 1]++;
+    }
+    return answer;
+}
+export default findingUsersActiveMinutes;