Created
May 15, 2020 11:13
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LeetCode 0063 combination sum (Backtrack)
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| def combinationSum(self, candidates: List[int], target: int) -> List[List[int]]: | |
| def combination_sum(cur_ans, cur_sum, cand_idx): | |
| if cur_sum >= target: | |
| if cur_sum == target: | |
| ans.append(cur_ans) | |
| return | |
| for i in range(cand_idx, len(candidates)): | |
| combination_sum(cur_ans + [candidates[i]], cur_sum + candidates[i], i) | |
| ans = [] | |
| combination_sum([], 0, 0) | |
| return ans |
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