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Insert Interval
Given a set ofnon-overlappingintervals, insert a new interval into the intervals (merge if necessary).You may assume that the intervals were initially...
分类:其他好文   时间:2014-10-06 20:00:30    阅读次数:181
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].合并重复区间先让区间按sta...
分类:其他好文   时间:2014-10-06 17:39:50    阅读次数:106
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].这道题跟Insert I...
分类:其他好文   时间:2014-10-06 07:51:29    阅读次数:206
POJ1201:Intervals【差分约束】
题目大意:给出N个闭区间,每个区间给出一个ci值,让你找出最小的数集Z使得每个闭区间都有不少于ci个Z中的元素,求card(Z)思路:06年集训队论文《浅析差分约束系统》有详细的解题,设Sn为[0,n]中Z中元素的个数,ai,bi为区间的两个端点,则可列出以下不等式:0=ci然后就可以用差分约束做了...
分类:其他好文   时间:2014-10-05 14:42:48    阅读次数:193
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:2014-10-05 13:53:58    阅读次数:163
Merge Intervals
[leetcode]Given a collection of intervals, merge all overlapping intervals....
分类:其他好文   时间:2014-09-30 11:53:39    阅读次数:104
poj 3225 Help with Intervals(线段树)
题目链接:poj 3225 Help with Intervals 题目大意:模拟集合操作,输出最终的集合。 解题思路:线段树。 U l r:[l,r]区间置为1I l r:[0,l),(r,maxn]置为0D l r:[l,r]区间置为0C l r:[0,l),(r,maxn]置为0,[l,r]区间取逆S l r:[l,r]区间取逆。 然后基本水水的线段树,注意一下区间开...
分类:其他好文   时间:2014-09-26 23:33:38    阅读次数:343
POJ 3680 Intervals
离散化+最大费用最大流... 源点---1 .. 2 ..3 .... n ---汇点 连流量为K,费用为0的边 对于(a , b , w) 连从 a到b容量1费用w的边 Intervals Time Limit: 5000MS   Memory Limit: 65536K Total Submissions: 6503...
分类:其他好文   时间:2014-09-26 21:28:08    阅读次数:296
leetcode Merge Intervals
1 /***************************************************************** 2 created: 2014/09/13 21:32 3 filename: merge-intervals.cpp 4 author: ...
分类:其他好文   时间:2014-09-19 18:55:35    阅读次数:141
【LeetCode题目记录-4】插入数组间隔问题
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 initially sorted according to t...
分类:其他好文   时间:2014-09-15 17:51:09    阅读次数:264
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