摘要：
Key: each of 2\3\5 is trying to multiply with the least number it has not been multiplied.class Solution {public: int nthUglyNumber(int n) { ... 阅读全文
posted @ 2015-08-25 13:15
Tonix
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摘要：
Another topological sorting problem. Note: the DFS one is like a 'post-order' traversal.class Solution { unordered_map> g; unordered_set visited... 阅读全文
posted @ 2015-08-25 12:44
Tonix
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