Codeforces-Two Buttons-520problemB(思维题)
摘要：
B. Two Buttons Vasya has found a strange device. On the front panel of a device there are: a red button, a blue button and a display showing some posi 阅读全文
posted @ 2019-07-05 18:10 Where_Free 阅读(158) 评论(1) 推荐(0) 编辑
