摘要：
A variation of 3Sum. And the trick is, (i& nums, int target) { size_t len = nums.size(); if(len = target) k--; ... 阅读全文
posted @ 2015-08-24 14:38
Tonix
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Use constructive strategy: we compose each of the 26 variations of one word.class Solution {public: vector> groupStrings(vector& strings) { ... 阅读全文
posted @ 2015-08-24 12:26
Tonix
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I learnt a clean idea: all read is from the 4-char buffer.int read4(char *buf);class Solution { int offset; int validLen; char _buf[4]; ... 阅读全文
posted @ 2015-08-24 11:42
Tonix
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