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Update 0039.组合总和.md
这里python代码有个注释似乎写错了。原来为`不是i-1`,应该是`不是i+1`.
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@ -291,7 +291,7 @@ class Solution:
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for i in range(start_index, len(candidates)):
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for i in range(start_index, len(candidates)):
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sum_ += candidates[i]
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sum_ += candidates[i]
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self.path.append(candidates[i])
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self.path.append(candidates[i])
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self.backtracking(candidates, target, sum_, i) # 因为无限制重复选取,所以不是i-1
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self.backtracking(candidates, target, sum_, i) # 因为无限制重复选取,所以不是i+1
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sum_ -= candidates[i] # 回溯
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sum_ -= candidates[i] # 回溯
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self.path.pop() # 回溯
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self.path.pop() # 回溯
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```
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```
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