4189: 【入门】打印小写字母表

Memory Limit:128 MB Time Limit:1.000 S
Judge Style:Text Compare Creator:
Submit:155 Solved:105

Description

把英文字母表的小写字母按顺序和倒序打印出来。(每行13)


Output

输出四行

Sample Output Copy

abcdefghijklm
nopqrstuvwxyz
zyxwvutsrqpon
mlkjihgfedcba