Commit 9c1735b

author

Sandy

authored

Merge pull request #111 from openset/develop

Add: buddy_strings

2 parents 6f5d6c6 + f2a8bca commit 9c1735bCopy full SHA for 9c1735b

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+88

-3

lines changed

+88

-3

lines changed

Lines changed: 31 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,32 @@`
`1`	`1`	`package buddy_strings`
	`2`	`+`
	`3`	`+func buddyStrings(A string, B string) bool {`
	`4`	`+ if len(A) != len(B) {`
	`5`	`+ return false`
	`6`	`+ }`
	`7`	`+ if A == B {`
	`8`	`+ exist := [26]bool{}`
	`9`	`+ for _, c := range A {`
	`10`	`+ k := c - 'a'`
	`11`	`+ if exist[k] {`
	`12`	`+ return true`
	`13`	`+ }`
	`14`	`+ exist[k] = true`
	`15`	`+ }`
	`16`	`+ return false`
	`17`	`+ } else {`
	`18`	`+ m, n := -1, -1`
	`19`	`+ for i, c := range A {`
	`20`	`+ if B[i] != byte(c) {`
	`21`	`+ if m == -1 {`
	`22`	`+ m = i`
	`23`	`+ } else if n == -1 {`
	`24`	`+ n = i`
	`25`	`+ } else {`
	`26`	`+ return false`
	`27`	`+ }`
	`28`	`+ }`
	`29`	`+ }`
	`30`	`+ return n != -1 && A[m] == B[n] && A[n] == B[m]`
	`31`	`+ }`
	`32`	`+}`

Lines changed: 54 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,55 @@`
`1`	`1`	`package buddy_strings`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type caseType struct {`
	`6`	`+ a string`
	`7`	`+ b string`
	`8`	`+ expected bool`
	`9`	`+}`
	`10`	`+`
	`11`	`+func TestBuddyStrings(t *testing.T) {`
	`12`	`+ tests := [...]caseType{`
	`13`	`+ {`
	`14`	`+ a: "ab",`
	`15`	`+ b: "ba",`
	`16`	`+ expected: true,`
	`17`	`+ },`
	`18`	`+ {`
	`19`	`+ a: "aa",`
	`20`	`+ b: "aa",`
	`21`	`+ expected: true,`
	`22`	`+ },`
	`23`	`+ {`
	`24`	`+ a: "ab",`
	`25`	`+ b: "ab",`
	`26`	`+ expected: false,`
	`27`	`+ },`
	`28`	`+ {`
	`29`	`+ a: "aaaaaaabc",`
	`30`	`+ b: "aaaaaaacb",`
	`31`	`+ expected: true,`
	`32`	`+ },`
	`33`	`+ {`
	`34`	`+ a: "",`
	`35`	`+ b: "aa",`
	`36`	`+ expected: false,`
	`37`	`+ },`
	`38`	`+ {`
	`39`	`+ a: "hello",`
	`40`	`+ b: "h0lle",`
	`41`	`+ expected: false,`
	`42`	`+ },`
	`43`	`+ {`
	`44`	`+ a: "hello",`
	`45`	`+ b: "hanna",`
	`46`	`+ expected: false,`
	`47`	`+ },`
	`48`	`+ }`
	`49`	`+ for _, tc := range tests {`
	`50`	`+ output := buddyStrings(tc.a, tc.b)`
	`51`	`+ if output != tc.expected {`
	`52`	`+ t.Fatalf("input: %v %v, output: %v, expected: %v", tc.a, tc.b, output, tc.expected)`
	`53`	`+ }`
	`54`	`+ }`
	`55`	`+}`

Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -11,10 +11,10 @@ func reorderLogFiles(logs []string) []string {`
`11`	`11`	`s1 := strings.SplitN(logs[i], " ", 2)`
`12`	`12`	`s2 := strings.SplitN(logs[j], " ", 2)`
`13`	`13`	`f1, f2 := "0"+s1[1], "0"+s2[1]`
`14`		`- if unicode.IsNumber(rune(f1[1])) {`
	`14`	`+ if unicode.IsDigit(rune(f1[1])) {`
`15`	`15`	`f1 = "1"`
`16`	`16`	`}`
`17`		`- if unicode.IsNumber(rune(f2[1])) {`
	`17`	`+ if unicode.IsDigit(rune(f2[1])) {`
`18`	`18`	`f2 = "1"`
`19`	`19`	`}`
`20`	`20`	`return f1 < f2`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -15,7 +15,7 @@ func myAtoi(str string) int {`
`15`	`15`	`str = str[1:]`
`16`	`16`	`}`
`17`	`17`	`i := strings.IndexFunc(str, func(r rune) bool {`
`18`		`- return !unicode.IsNumber(r)`
	`18`	`+ return !unicode.IsDigit(r)`
`19`	`19`	`})`
`20`	`20`	`if i > -1 {`
`21`	`21`	`str = str[0:i]`

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