bbcxnz

摘要： Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For example, two is written as II in Roman numeral, just two one's 阅读全文

摘要： Given a 32-bit signed integer, reverse digits of an integer. 将32位整数反向输出。 Note:Assume we are dealing with an environment which could only store integer 阅读全文