摘要:
CodeForces - 318ABeing a nonconformist, Volodya is displeased with the current state of things, particularly with the order of na... 阅读全文
摘要:
CodeForces - 460AVasya是个土豪Vasya has n pairs of socks. In the morning of each day Vasya has to put on a pair of socks before he go... 阅读全文