摘要：
Given the sequence AA with nn integers t1,t2,⋯,tnt1,t2,⋯,tn. Given the integral coefficients aaand bb. The fact that select two elements titi and tjtj 阅读全文
摘要：
Tea is good. Tea is life. Tea is everything. The balance of tea is a journey of pursuing balance of the universe. Alice knows that. Alice wants to tea 阅读全文