牛客网华为机试题之Python解法 第1题 字符串最后一个单词的长度 a = input().split(" ") print(len(a[-1])) 第2题 计算字符个数 a = input() b = input() print(a.lower().count(b.lower())) 第3题 明明的随机数 while True: try: num = int(input()) data = [] for i in range(num): data.append(int(input(
写出将字符串中的数字转换为整型的方法,如:"as31d2v"->312,并写出相应的单元测试,输入超过int范围时提示不合法输入. public struct ConvertResult { public ConvertState State; public int Number; } public enum ConvertState { // 输入不合法 InValid = , // 输入合法 Valid = } public class StringHelper { publ
现在想补补推荐这本书的理由. Most books on systems-computer architecture, compilers, operating systems, and networking-are written as if the reader were going to design and implement such a system. We call this the "builder's persepective." We believe that st