摘要:
Dreamoon is a big fan of the Codeforces contests. One day, he clai... 阅读全文
摘要:
A number is ternary if it contains only digits 0, 1 and 2. For exa... 阅读全文
摘要:
Given A,B,C, You should quickly calculate the result of A ^ B mod ... 阅读全文