Commitc7a2647

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1 parent31915c8 commitc7a2647Copy full SHA for c7a2647

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Lines changed: 1 addition & 7 deletions

Original file line number	Diff line number	Diff line change
`@@ -20,16 +20,10 @@ public List<List<Integer>> subsets(int[] S) {`
`20`	`20`	`}`
`21`	`21`
`22`	`22`	`publicvoidsubsets(int[]S,List<Integer>path,List<List<Integer>>ret,intindex) {`
`23`		`-intlen =S.length;`
`24`		`-`
`25`	`23`	`// 把当前的结果可以添加到结果集中. 空集也算是一种集合`
`26`	`24`	`ret.add(newArrayList<Integer>(path));`
`27`	`25`
`28`		`-if (index >=len) {`
`29`		`-return;`
`30`		`- }`
`31`		`-`
`32`		`-for (inti =index;i <len;i++) {`
	`26`	`+for (inti =index;i <S.length;i++) {`
`33`	`27`	`path.add(S[i]);`
`34`	`28`
`35`	`29`	`// 注意！这里的index要填写i + 1，而不是index，开始老是会犯错。`

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