Commit 6d43ac3

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Sandy

authored

Merge pull request #173 from openset/develop

Add: Reverse Vowels of a String

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Lines changed: 24 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,25 @@`
`1`	`1`	`package reverse_vowels_of_a_string`
	`2`	`+`
	`3`	`+func reverseVowels(s string) string {`
	`4`	`+ i, j, ss := 0, len(s)-1, []byte(s)`
	`5`	`+ for i < j {`
	`6`	`+ if !isVowel(ss[i]) {`
	`7`	`+ i++`
	`8`	`+ } else if !isVowel(ss[j]) {`
	`9`	`+ j--`
	`10`	`+ } else {`
	`11`	`+ ss[i], ss[j] = ss[j], ss[i]`
	`12`	`+ i++`
	`13`	`+ j--`
	`14`	`+ }`
	`15`	`+ }`
	`16`	`+ return string(ss)`
	`17`	`+}`
	`18`	`+`
	`19`	`+func isVowel(r byte) bool {`
	`20`	`+ switch r {`
	`21`	`+ case 'a', 'e', 'i', 'o', 'u', 'A', 'E', 'I', 'O', 'U':`
	`22`	`+ return true`
	`23`	`+ }`
	`24`	`+ return false`
	`25`	`+}`

Lines changed: 26 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,27 @@`
`1`	`1`	`package reverse_vowels_of_a_string`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type caseType struct {`
	`6`	`+ input string`
	`7`	`+ expected string`
	`8`	`+}`
	`9`	`+`
	`10`	`+func TestReverseVowels(t *testing.T) {`
	`11`	`+ tests := [...]caseType{`
	`12`	`+ {`
	`13`	`+ input: "hello",`
	`14`	`+ expected: "holle",`
	`15`	`+ },`
	`16`	`+ {`
	`17`	`+ input: "leetcode",`
	`18`	`+ expected: "leotcede",`
	`19`	`+ },`
	`20`	`+ }`
	`21`	`+ for _, tc := range tests {`
	`22`	`+ output := reverseVowels(tc.input)`
	`23`	`+ if output != tc.expected {`
	`24`	`+ t.Fatalf("input: %v, output: %v, expected: %v", tc.input, output, tc.expected)`
	`25`	`+ }`
	`26`	`+ }`
	`27`	`+}`

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