Words Learing form Tasks

ABC436

A. o-padding

• pad v. 覆盖

o-padding

• obtain v. 得到，获得

Print the string obtained by repeatedly adding the lowercase English letter o to the beginning of S until its length becomes N.

• inclusive adj. 包含的，包括的

S is a string consisting of lowercase English letters with length between 1 and N−1, inclusive.

B. Magic Square

• grid n.网格

There is a grid with N rows and N columns, where all cells are initially empty. Now, you will write integers in each cell of this grid according to the following procedure.

D. Teleport Maze

• maze n. 曲径，迷宫

D - Teleport Maze

• warp v.弯曲

Lowercase English letter (a - z): Warp cell(根据上下文是传送门的意思，但是为什么用 warp?)

F. Starry Landscape Photo

• starry adj. 满天星斗的

F - Starry Landscape Photo

G. Linear Inequation

• linear adj. 线的，线性的

G. Linear Inequation

ABC438

B. Tombola

• tombola v. 摸彩

B. Tombola

C. Reindeer and Sleigh 2

• reindeer n. 驯鹿
• sleigh n. 雪橇

C - Reindeer and Sleigh 2

• sled n. 雪橇

There are N reindeer and one sled

E. Sort Arrays

• lexicographical n. 字典的
• indices (index 的复数) n. 指标，索引

In other words, when \(A_1,A_2,…,A_N\) are arranged in lexicographical order (when there are multiple equal sequences, arrange those with smaller indices first), P is the sequence of indices that appears in that arrangement.

F. Manhattan Christmas Tree 2

• Manhattan 曼哈顿

F - Manhattan Christmas Tree 2

• coordinates n. 坐标

Change the coordinates of the i-th Christmas tree to (x,y).