路漫漫其修远兮，吾将上下而求索

B. Minimum Ternary Stringtime limit per test1 secondmemory limit per test256 megabytesinputstandard inputoutputstandard outputYou are given a ternary string (it is a string which consists only of char...

                                               C. Plasticine zebra Is there anything better than going to the zoo after a tiresome week at work? No wonder Grisha feels the same while spending the ent...

题目链接 D. Mouse Hunt Medicine faculty of Berland State University has just finished their admission campaign. As usual, about 80%80% of applicants are girls and majority of them are going to live in t...