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posted @ 2015-08-05 10:57
Hygeia
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题目：Given a binary tree, return thebottom-up level ordertraversal of its nodes' values. (ie, from left to right, level by level from leaf to root).For ... 阅读全文
posted @ 2015-08-05 10:39
Hygeia
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题目：Given a binary tree, return thelevel ordertraversal of its nodes' values. (ie, from left to right, level by level).For example:Given binary tree{3,... 阅读全文
posted @ 2015-08-05 10:33
Hygeia
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题目： Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthe 阅读全文
posted @ 2015-08-05 06:33
Hygeia
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题目： Given a binary tree, find its minimum depth. The minimum depth is the number of nodes along the shortest path from the root node down to the neare 阅读全文
posted @ 2015-08-05 06:27
Hygeia
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正确的写法：public static List> function(){ List> list = new ArrayList>(); return list; }错误写法1：public static List> function(){ List>... 阅读全文
posted @ 2015-08-05 05:44
Hygeia
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题目：Given a binary tree and a sum, find all root-to-leaf paths where each path's sum equals the given sum.For example:Given the below binary tree andsu... 阅读全文
posted @ 2015-08-05 05:37
Hygeia
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