摘要：
Problem： Write a program that outputs the string representation of numbers from 1 to n. But for multiples of three it should output “Fizz” instead of 阅读全文
摘要：
Problem: Write a function that takes a string as input and returns the string reversed. 此题一般思路为：在原数组上直接对s[i]以及s[len-i-1]进行调换即可。 阅读全文