This website contains ALL LeetCode **Premium** problems for
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All leaked interview problems are collected from Internet.

All leaked interview problems are collected from Internet.

Given a collection of candidate numbers (** C**) and a target number (

Each number in ** C** may only be used

**Note:**

- All numbers (including target) will be positive integers.
- The solution set must not contain duplicate combinations.

For example, given candidate set `[10, 1, 2, 7, 6, 1, 5]`

and target `8`

,

A solution set is:

[ [1, 7], [1, 2, 5], [2, 6], [1, 1, 6] ]

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