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LeetCode Merge Intervals
题目:Given a collection of intervals, merge all overlapping intervals.For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18].思路分析:这题关键要想到先对区间排序,然后从前向后扫描,如果下一个没法合并,就添加一个区间;如果可以,还要继续向后看,...
分类:其他好文   时间:2014-11-23 11:48:52    阅读次数:169
Leetcode-Merge Intervals
Given a collection of intervals, merge all overlapping intervals. For example,Given [1,3],[2,6],[8,10],[15,18],return [1,6],[8,10],[15,18].Solution: 1...
分类:其他好文   时间:2014-11-14 12:14:16    阅读次数:226
marzullo's algorithm
given several intervals, how to find a interval which is a intersect of the most number of the given intervals?Method:Step1: Represent eachreturnedint...
分类:其他好文   时间:2014-11-14 12:10:22    阅读次数:246
Leetcode-Insert Interval
Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals were initial...
分类:其他好文   时间:2014-11-14 12:06:04    阅读次数:167
HDU 3333 Turing Tree(离线线段树)
Problem Description After inventing Turing Tree, 3xian always felt boring when solving problems about intervals, because Turing Tree could easily have...
分类:其他好文   时间:2014-11-14 06:55:49    阅读次数:227
HDU 3333 Turing Tree(离线线段树)
Problem Description After inventing Turing Tree, 3xian always felt boring when solving problems about intervals, because Turing Tree could easily have the solution. As well, wily 3xian made lots of...
分类:其他好文   时间:2014-11-14 01:41:02    阅读次数:169
[Leetcode] Merge Intervals
Given a collection of intervals, merge all overlapping intervals.For example,Given[1,3],[2,6],[8,10],[15,18],return[1,6],[8,10],[15,18].Solution: 1 /*...
分类:其他好文   时间:2014-11-13 01:51:28    阅读次数:136
POJ 3670 Intervals(费用流)
POJ 3680 Intervals 题目链接 题意:给定一些区间,每个区间有一个权值,要求用这些区间去覆盖,每个点最多覆盖k次,问最多得到权值多少 思路:典型的区间k覆盖问题,区间连边容量1,代价-w,然后其他点相邻两两连边,容量k,代价0,跑一下费用流即可 代码: #include #include #include #include #include ...
分类:其他好文   时间:2014-11-07 01:03:13    阅读次数:169
BestCoder#16 A-Revenge of Segment Tree
Revenge of Segment TreeProblem DescriptionIn computer science, a segment tree is a tree data structure for storing intervals, or segments. It allows q...
分类:其他好文   时间:2014-11-06 08:11:28    阅读次数:240
leetcode Insert Interval
题目:给定一系列的区间,这些区间是不重合的,而且按每个区间的起始点排好序了。再来一个区间。怎么得到所有合并后的区间。Example 1:Given intervals[1,3],[6,9], insert and merge[2,5]in as[1,5],[6,9].Example 2:Given[...
分类:其他好文   时间:2014-11-04 22:20:44    阅读次数:222
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