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LeetCode Combination Sum III
原题链接在这里:https://leetcode.com/problems/combination-sum-iii/与Combination Sum II相似,不同的是中不是所有元素相加,只是k个元素相加。所以在把item的copy 加到res前需要同时满足item.size() == k 和 ta...
分类:其他好文   时间:2015-09-29 01:06:14    阅读次数:193
LeetCode Combination Sum II
原题链接在这里:https://leetcode.com/problems/combination-sum-ii/本题与Combination Sum非常相似,不同就在于本题不可以重复使用元素。其实只是递归时,start的参数更改为i+1即可。Note: 1. 即使本题不可以使用重复元素但也需要小心...
分类:其他好文   时间:2015-09-29 01:04:38    阅读次数:162
LeetCode Combination Sum
原题链接在这里:https://leetcode.com/problems/combination-sum/本题与Combinations,Permutations,N-Queens都是递归回溯类问题。target每次减掉candidates里一个数,然后递归调用helper, target设成ta...
分类:其他好文   时间:2015-09-28 23:59:25    阅读次数:389
(leetcode) Combination Sum
Given a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thesamerepeated num...
分类:其他好文   时间:2015-09-23 19:15:46    阅读次数:116
Combination Sum II 组合数求和之2-Leetcode
原题:Given a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Each numb...
分类:其他好文   时间:2015-09-21 10:27:59    阅读次数:157
Combination Sum-Leetcode
先贴代码,容后补内容public class Solution { public List> combinationSum(int[] candidates, int target) { Arrays.sort(candidates); solve(candidat...
分类:其他好文   时间:2015-09-21 01:17:52    阅读次数:127
SPOJ Play on Words
传送门WORDS1 - Play on Words#graph-theory#euler-circuitSome of the secret doors contain avery interesting word puzzle. The team of archaeologists has to ...
分类:其他好文   时间:2015-09-18 21:42:13    阅读次数:210
[LeetCode]Combination Sum
Combination SumGiven a set of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sums toT.Thes...
分类:其他好文   时间:2015-09-17 11:43:26    阅读次数:132
[LeetCode]Combination Sum II
Combination Sum IIGiven a collection of candidate numbers (C) and a target number (T), find all unique combinations inCwhere the candidate numbers sum...
分类:其他好文   时间:2015-09-17 11:38:29    阅读次数:114
[LeetCode]Combination Sum III
Combination Sum IIIFind all possible combinations ofknumbers that add up to a numbern, given that only numbers from 1 to 9 can be used and each combin...
分类:其他好文   时间:2015-09-17 11:29:20    阅读次数:154
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