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[LeetCode] 57. Insert Interval Java
题目: Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary). You may assume that the intervals were in ...
分类:编程语言   时间:2018-01-18 11:47:41    阅读次数:207
HDU 1384 Intervals &洛谷[P1250]种树
差分约束 差分约束的裸题,关键在于如何建图 我们可以把题目中给出的区间端点作为图上的点,此处应注意,由于区间中被标记的点的个数满足区间加法,这里与前缀和类似,对于区间[L..R]来说,我们加入一条从L 1指向R的边,边权为ci。 这样还不够,因为这样建下来的图是离散的,我们还需要去挖掘题目中的隐藏条 ...
分类:其他好文   时间:2017-12-26 10:26:29    阅读次数:117
689. Maximum Sum of 3 Non-Overlapping Subarrays
Max Sum of Subarray with size k, 相当于Easy难度,我说用一个sum array存sum,然后做减法就行。中国小哥说让优化空间,于是说可以只用两个数。 The question asks for three non-overlapping intervals wit ...
分类:移动开发   时间:2017-12-19 15:29:11    阅读次数:205
689. Maximum Sum of 3 Non-Overlapping Subarrays
The question asks for three non-overlapping intervals with maximum sum of all 3 intervals. If the middle interval is [i, i+k-1], where k <= i <= n-2k, ...
分类:移动开发   时间:2017-12-13 02:04:40    阅读次数:238
POJ 1375 Intervals | 解析几何
参考了这个博客 ...
分类:其他好文   时间:2017-12-09 16:55:55    阅读次数:116
[array] leetcode-56. Merge Intervals - Medium
leetcode 56. Merge Intervals Medium descrition Given a collection of intervals, merge all overlapping intervals. 解析 两个思路,都比较有难度。注意算法正确性的证明。 方法 1 连通分支 ...
分类:其他好文   时间:2017-11-25 00:56:09    阅读次数:202
253. Meeting Rooms II
Given an array of meeting time intervals consisting of start and end times [[s1,e1],[s2,e2],...] (si < ei), find the minimum number of conference room ...
分类:其他好文   时间:2017-11-23 19:49:34    阅读次数:627
352. Data Stream as Disjoint Intervals
Given a data stream input of non-negative integers a1, a2, ..., an, ..., summarize the numbers seen so far as a list of disjoint intervals. For exampl ...
分类:其他好文   时间:2017-11-18 11:09:34    阅读次数:119
leetcode56- Merge Intervals- medium
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]. 先写comparat ...
分类:其他好文   时间:2017-11-12 11:11:19    阅读次数:161
leetcode57- Insert Interval- medium
Given a set of non-overlapping intervals, insert a new interval into the intervals (merge if necessary). You may assume that the intervals were initia ...
分类:其他好文   时间:2017-11-12 11:01:14    阅读次数:169
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