Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ...
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其他好文 时间：
2015-09-16 06:18:37
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133
Problem DescriptionJack likes to travel around the world, but he doesn’t like to wait. Now, he is traveling in the Undirected Kingdom. There arencitie...
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其他好文 时间：
2015-09-15 23:05:46
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167
Time Limit: 1500/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Problem DescriptionJack likes to travel around the world, but he doe...
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2015-09-14 15:25:31
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207
Symmetric TreeGiven a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric...
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2015-09-14 01:53:15
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121
Problem DescriptionJack likes to travel around the world, but he doesn’t like to wait. Now, he is traveling in the Undirected Kingdom. There are n cit...
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其他好文 时间：
2015-09-13 21:29:20
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129
TravelTime Limit: 1 Sec Memory Limit: 256 MB题目连接http://acm.hdu.edu.cn/showproblem.php?pid=5441DescriptionJack likes to travel around the world, but he...
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其他好文 时间：
2015-09-13 18:37:45
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190
在做全自洽计算时，打开选项LVTOT = TIt is recommended to avoid wrap around errors, when evaluatingLOCPOT. This can be done by specifying PREC=High in the INCAR file...
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2015-09-12 12:01:51
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811
Problem DescriptionRecently, Dave is boring, so he often walks around. He finds that some places are too crowded, for example, the ground. He couldn't...
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其他好文 时间：
2015-09-10 19:31:57
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224
问题重述：There are 100 doors in a long hallway. They are all closed. The first time you walk by each door, you open it. The second time around, you close ...
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其他好文 时间：
2015-09-09 11:20:31
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159
题目：Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / ...
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其他好文 时间：
2015-09-06 20:15:28
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131
