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SGU 226.Colored graph
时间限制:0.25s空间限制:4M题意: 给出一个n个节点,m条边的图,每条边都有标记了编号为1,2,3三种颜色之一,现在求从1号节点到n号节点的一条最短路径的长度,要求该路径中相邻的边没有相同的颜色。Solution: 有限制条件的SPFA,要注意有时要形成环来改变路径颜色,才能到...
分类:其他好文   时间:2014-07-11 19:02:01    阅读次数:199
POJ 1418 圆的基本操作以及 圆弧离散化
Viva Confetti Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 761   Accepted: 319 Description Do you know confetti? They are small discs of colored paper, and...
分类:其他好文   时间:2014-07-09 11:14:29    阅读次数:223
POJ 2513 Colored Sticks
欧拉通路+并查集+字典树 题意是说 木棍两头有颜色,怎么排让它连成一串。颜色相同可以接起来。 最开始想用map水过去,一直TLE。怒点字典树天赋……花了一上午。 字典树不多介绍,我的节点开小了,CE好几次,才想起 “There is no more than 250000 sticks.” “A word is a sequence of lowercas...
分类:其他好文   时间:2014-07-08 17:22:26    阅读次数:180
[leetcode] Sort Colors
Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, ...
分类:其他好文   时间:2014-07-07 14:54:18    阅读次数:219
UVA 10004 Bicoloring
题目如下: Bicoloring  In 1976 the ``Four Color Map Theorem" was proven with the assistance of acomputer. This theorem states that every map can be colored using only fourcolors, in...
分类:其他好文   时间:2014-07-06 12:28:07    阅读次数:241
UVA 10047 - The Monocycle
题目如下:  Problem A: The Monocycle  A monocycle is a cycle that runs on one wheel and the one we will be considering is a bit more special. It has a solid wheel colored with fiv...
分类:其他好文   时间:2014-07-06 11:49:47    阅读次数:233
Leetcode:Sort colors 计数排序
Sort colors:Given an array with n objects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the...
分类:其他好文   时间:2014-07-01 12:57:43    阅读次数:179
UVa 253 Cube painting
这道题酝酿三天了,O(∩_∩)O哈哈~,其实就是懒~~而且是1A哦~算是近期做的比较难的一道题了。本题可以参考刘汝佳的《算法竞赛入门经典训练指南》里第一章例8(Colored Cubes, LA 3401),本题只是书中例题的简化版。问题分析:怎么判断两个正方体是否相等呢?我是用一个结构体来存放CU...
分类:其他好文   时间:2014-07-01 10:11:23    阅读次数:492
zoj 3790 Consecutive Blocks(链表重点是思想)
Consecutive Blocks Time Limit: 2 Seconds      Memory Limit: 65536 KB There are N (1 ≤ N ≤ 105) colored blocks (numbered 1 to N from left to right) which are lined up in a row. And the i-th b...
分类:其他好文   时间:2014-07-01 06:51:52    阅读次数:218
Unity3D 灰度shader(改编自NGUI)
原创文章如需转载请注明:转载自脱莫柔Unity3D学习之旅QQ群:【119706192】本文链接地址:灰度shader废话不多说,直接图解流程:1.原图2.改动shader打开NGUI自带的shader:(Unlit - Transparent Colored)将代码A:fixed4 frag (v...
分类:其他好文   时间:2014-07-01 00:31:34    阅读次数:574
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