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Update 0039.组合总和.md

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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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DarrenRuan
2022-07-16 23:57:33 -04:00
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problems/0039.组合总和.md
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@ -291,7 +291,7 @@ class Solution:
for i in range(start_index, len(candidates)):
sum_ += candidates[i]
self.path.append(candidates[i])
self.backtracking(candidates, target, sum_, i) # 因为无限制重复选取，所以不是i-1
self.backtracking(candidates, target, sum_, i) # 因为无限制重复选取，所以不是i+1
sum_ -= candidates[i] # 回溯
self.path.pop() # 回溯
```