摘要： It is well known that AekdyCoin is good at string problems as well as number theory problems. When given a string s, we can write down all the non-emp 阅读全文

摘要： Polar bears Menshykov and Uslada from the zoo of St. Petersburg and elephant Horace from the zoo of Kiev got hold of lots of wooden cubes somewhere. T 阅读全文