摘要：
Simply store indices in ctor.class WordDistance { unordered_map> hm;public: WordDistance(vector& words) { for (int i = 0; i &vec1 = hm[w... 阅读全文
posted @ 2015-08-22 11:18
Tonix
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Just take care of corner cases..class Vector2D { vector> &r; int i, i0;public: Vector2D(vector>& vec2d) : r(vec2d), i(0), i0(0) { i... 阅读全文
posted @ 2015-08-22 10:59
Tonix
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Linear scan after sorting. Please note sorting detail.typedef std::pair Rec;class Solution {public: int minMeetingRooms(vector& intervals) { ... 阅读全文
posted @ 2015-08-22 10:37
Tonix
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A typical DPclass Solution {public: int minCost(vector>& costs) { size_t len = costs.size(); if(len == 0) return 0; ve... 阅读全文
posted @ 2015-08-22 00:46
Tonix
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