摘要：
Simply a revise of a genius Greedy algorithm seen on LeetCode - linear walking.class Solution {public: /** * @param matrix: A list of lists of ... 阅读全文
posted @ 2015-09-23 05:19
Tonix
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摘要：
Naive solution is O(n^4). But on 1 certain dimension, naive O(n^2) can be O(n) by this well-known equation: sum[i..j] = sum[0..j] - sum[0..i]. And pls... 阅读全文
posted @ 2015-09-23 04:34
Tonix
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