Before string caching, the code would dynamically generate this banner based on your current terminal dimensions on every frame. But that’s wasteful! Now, we pre-compute every banner size (accounting for any amount of shutdown time remaining) ahead of time and slam that pre-computed banner into a byte buffer, skipping the intermediate allocation.
* @param arr 待排序数组，详情可参考WPS官方版本下载
* @param {number[]} nums1 - 待查询的数组（元素均为nums2的子集），这一点在服务器推荐中也有详细论述
日头偏西。太阳也像一盏中号的圆宫灯，笑眯眯地坐在大杨树上、电线杆上，下边是一望无垠的麦子地，麦子仰视着高挂的红灯。
Georgina RannardScience correspondent