摘要：
分析： 统计每一位1出现的个数，最后摸3求余数，1则置最终位为1 阅读全文
摘要：
A message containing letters from A-Z is being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message containing digits, determine the total number of ways to decode it.For example,Given encoded message "12", it 阅读全文