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Given a set of candidate numbers (candidates
) (without duplicates) and a target number (target
), find all unique combinations in candidates
where the candidate numbers sums to target
.
The same repeated number may be chosen from candidates
unlimited number of times.
Note:
- All numbers (including
target
) will be positive integers.
- The solution set must not contain duplicate combinations.
Example 1:
Input: candidates = [2,3,6,7],
target = 7
,
A solution set is:
[
[7],
[2,2,3]
]
Example 2:
Input: candidates = [2,3,5],
target = 8,
A solution set is:
[
[2,2,2,2],
[2,3,3],
[3,5]
]
[Array]
[Backtracking]
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