C 语言实例 - 循环输出26个字母 循环输出 个字母. 实例 #include <stdio.h> int main() { char c; for(c = 'A'; c <= 'Z'; ++c) printf("%c ", c); ; } 运行结果: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 实例 - 输出大写或小写字母 #include <stdio.h> int main() { cha
A message containing letters from A-Z is being encoded to numbers using the following mapping: 'A' -> 1 'B' -> 2 ... 'Z' -> 26 Given an encoded message containing digits, determine the total number of ways to decode it. For example,Given encoded
In [8]: import string In [9]: dir(string) In [10]: string.ascii_letters Out[10]: 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ' In [11]: string.ascii_lowercase Out[11]: 'abcdefghijklmnopqrstuvwxyz' In [12]: string.ascii_uppercase Out[12]: 'AB