P3079 [USACO13MAR]农场的画Farm Painting P3079 [USACO13MAR]农场的画Farm Painting P3079 [USACO13MAR]农场的画Farm Painting 题目描述 After several harsh winters, Farmer J ...
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其他好文 时间:
2018-01-07 16:11:26
阅读次数:
211
概念 浏览器的渲染过程 前三个步骤可能在第一次Painting之后又被更新,比如JS修改了DOM或CSS属性。 layout和painting也会被重复执行,DOM、CSSOM更新,图片下载完成,都需要调用layout和painting来更新网页。 ...
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Web程序 时间:
2017-12-19 19:31:22
阅读次数:
1130
There are a row of n houses, each house can be painted with one of the k colors. The cost of painting each house with a certain color is different. Yo ...
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其他好文 时间:
2017-11-16 11:54:06
阅读次数:
170
There are a row of n houses, each house can be painted with one of the three colors: red, blue or green. The cost of painting each house with a certai ...
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其他好文 时间:
2017-11-16 11:42:59
阅读次数:
96
传送门 题目大意: 开始站在原点,给出一系列操作 x L/R,表示向左或向右走几步。 最多会移动到离原点1,000,000,000单位远的地方。 n次操作,n<=100000 问走过k次的地方有几个 题解:离散化+差分 看了官方题解,很明白。 发现n<=100000,看出所到达的不同的点最多只有10 ...
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其他好文 时间:
2017-11-05 20:06:21
阅读次数:
157
There are n pictures delivered for the new exhibition. The i-th painting has beauty ai. We know that a visitor becomes happy every time he passes from ...
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其他好文 时间:
2017-11-02 20:12:40
阅读次数:
218
[luogu P2205] [USACO13JAN]画栅栏Painting the Fence 题目描述 Farmer John has devised a brilliant method to paint the long fence next to his barn (think of the ...
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其他好文 时间:
2017-10-28 12:53:09
阅读次数:
171
洛谷P2205 [USACO13JAN]画栅栏Painting the Fence这是我的做法,我用了离散化+二分,比较慢 其实差分就行了,不用二分 虽然时间复杂度也是 nlogn但是因为不用而二分了,所以快了不少大概快了300ms另外也可以用map直接水 ...
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其他好文 时间:
2017-10-13 10:17:29
阅读次数:
194
Description Bizon the Champion isn't just attentive, he also is very hardworking. Bizon the Champion decided to paint his old fence his favorite color ...
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其他好文 时间:
2017-10-09 22:35:26
阅读次数:
180
P2205 [USACO13JAN]画栅栏Painting the Fence P2205 [USACO13JAN]画栅栏Painting the Fence P2205 [USACO13JAN]画栅栏Painting the Fence 题目描述 Farmer John has devised a ...
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其他好文 时间:
2017-09-23 00:04:37
阅读次数:
235