摘要:
Tickets Problem Description Conductor is quite a boring profession, as all you have to do is just to sell tickets to the passengers. So no wonder that 阅读全文
摘要:
题目连接:hdu_5110_Alexandra and COS 题意: 给你一个图,X代表宝藏,然后有一个船,它的声纳的频率为D,定船到宝藏的距离为Dis=max(abs(x1-x2),abs(y1-y2)),如果D是Dis的约数并且宝藏在船的上方开角45°,那么这个船就能探测到这个宝藏,现在给你q 阅读全文