Commit 4bb69ae

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Openset

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Add: rotate_array

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Original file line number	Diff line number	Diff line change
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`1`	`1`	`package rotate_array`
	`2`	`+`
	`3`	`+import (`
	`4`	`+ "reflect"`
	`5`	`+ "testing"`
	`6`	`+)`
	`7`	`+`
	`8`	`+type castType struct {`
	`9`	`+ nums []int`
	`10`	`+ k int`
	`11`	`+ expected []int`
	`12`	`+}`
	`13`	`+`
	`14`	`+func TestRotate(t *testing.T) {`
	`15`	`+ tests := [...]castType{`
	`16`	`+ {`
	`17`	`+ nums: []int{1, 2, 3, 4, 5, 6, 7},`
	`18`	`+ k: 3,`
	`19`	`+ expected: []int{5, 6, 7, 1, 2, 3, 4},`
	`20`	`+ },`
	`21`	`+ {`
	`22`	`+ nums: []int{-1, -100, 3, 99},`
	`23`	`+ k: 2,`
	`24`	`+ expected: []int{3, 99, -1, -100},`
	`25`	`+ },`
	`26`	`+ {`
	`27`	`+ nums: []int{-1},`
	`28`	`+ k: 2,`
	`29`	`+ expected: []int{-1},`
	`30`	`+ },`
	`31`	`+ }`
	`32`	`+`
	`33`	`+ for _, tc := range tests {`
	`34`	`+ output := make([]int, len(tc.nums))`
	`35`	`+ copy(output, tc.nums)`
	`36`	`+ rotate(output, tc.k)`
	`37`	`+ if !reflect.DeepEqual(output, tc.expected) {`
	`38`	`+ t.Fatalf("input: %v %v, output: %v, expected: %v", tc.nums, tc.k, output, tc.expected)`
	`39`	`+ }`
	`40`	`+ }`
	`41`	`+}`

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