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[USACO17OPEN]Modern Art

题目 题目描述 Art critics worldwide have only recently begun to recognize the creative genius behind the great bovine painter, Picowso. Picowso paints in a very particular way. She starts with an N \times NN×N blank canvas, represented by an N \t…

   313   2018-10-12   去围观

[poj3263]Tallest Cow

题目 题目描述 FJ's N (1 ≤ N ≤ 10,000) cows conveniently indexed 1..N are standing in a line. Each cow has a positive integer height (which is a bit of secret). You are told only the height H (1 ≤ H ≤ 1,000,000) of the tallest cow along with the in…

   286   2018-10-01   去围观

[HNOI2003]激光炸弹

题目 题目描述 一种新型的激光炸弹,可以摧毁一个边长为R的正方形内的所有的目标。现在地图上有n(N<=10000)个目标,用整数Xi,Yi(其值在[0,5000])表示目标在地图上的位置,每个目标都有一个价值。激光炸弹的投放是通过卫星定位的,但其有一个缺点,就是其爆破范围…

   272   2018-10-01   去围观