https://leetcode.cn/problems/count-days-spent-together/

Author: masx200

README.md

@@ -10,6 +10,8 @@ leetcode 测试
 
 ##### 包含的内容如下
 
+https://leetcode.cn/problems/count-days-spent-together/
+
 https://leetcode.cn/problems/reverse-odd-levels-of-binary-tree/
 
 https://leetcode.cn/problems/smallest-even-multiple/

count-days-spent-together/index.ts

@@ -0,0 +1,13 @@
+export default function countDaysTogether(
+    arriveAlice: string,
+    leaveAlice: string,
+    arriveBob: string,
+    leaveBob: string,
+): number {
+    const arrive = arriveAlice > arriveBob ? arriveAlice : arriveBob,
+        leave = leaveAlice < leaveBob ? leaveAlice : leaveBob,
+        base = (new Date(`2021-${leave}`).valueOf() -
+                    new Date(`2021-${arrive}`).valueOf()) /
+                (24 * 60 * 60 * 1000) + 1;
+    return Math.max(base, 0);
+}