Given an arraySofnintegers, are there
elementsa,b,c, anddinSsuch thata+b+c+d= target? Find all unique quadruplets in
the array which gives the sum of ...
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其他好文 时间:
2014-06-04 22:44:27
阅读次数:
250
Given amxngrid filled with non-negative
numbers, find a path from top left to bottom right whichminimizesthe sum of all
numbers along its path.Note:Yo...
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其他好文 时间:
2014-06-04 20:57:08
阅读次数:
360
Given a 2D board and a word, find if the word
exists in the grid.The word can be constructed from letters of sequentially
adjacent cell, where "adjace...
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其他好文 时间:
2014-06-04 20:56:34
阅读次数:
343
You are given annxn2D matrix representing an
image.Rotate the image by 90 degrees (clockwise).Follow up:Could you do this
in-place?classSolution{publi...
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其他好文 时间:
2014-06-04 20:25:09
阅读次数:
227
Determine if a Sudoku is valid, according
to:Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where
empty cells are filled with ...
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其他好文 时间:
2014-06-04 20:21:51
阅读次数:
246
Given a set of candidate numbers (C) and a
target number (T), find all unique combinations inCwhere the candidate numbers
sums toT.Thesamerepeated num...
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其他好文 时间:
2014-06-04 20:15:09
阅读次数:
289
Given a collection of candidate numbers (C) and
a target number (T), find all unique combinations inCwhere the candidate numbers
sums toT.Each number ...
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其他好文 时间:
2014-06-04 20:14:25
阅读次数:
287
Given an unsorted integer array, find the first
missing positive integer.For
example,Given[1,2,0]return3,and[3,4,-1,1]return2.Your algorithm should ru...
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其他好文 时间:
2014-06-04 20:13:41
阅读次数:
350
Given two wordsword1andword2, find the minimum
number of steps required to convertword1toword2. (each operation is counted as 1
step.)You have the fol...
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其他好文 时间:
2014-06-04 20:12:15
阅读次数:
199
Given a string S and a string T, find the
minimum window in S which will contain all the characters in T in complexity
O(n).For example,S="ADOBECODEBA...