不戚的专栏

Problem D: Evil Straw Warts LiveA palindrome is a string of symbols that is equal to itself when reversed. Given an input string, not necessarily a palindrome, compute the number of swaps necessary

DHome! Sweet Home!Input: Standard InputOutput: Standard Output  Own home is the sweetest place if it is really secured. People build wall around home to make their home

G: Nested Dolls Dilworth is the world's most prominent collector of Russian nested dolls: he literally has thousands of them! You know, the wooden hollow dolls of different sizes of which