Commit 6f5d6c6

author

Sandy

authored

Merge pull request #110 from openset/develop

Add: groups_of_special_equivalent_strings

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Lines changed: 12 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,13 @@`
`1`	`1`	`package groups_of_special_equivalent_strings`
	`2`	`+`
	`3`	`+func numSpecialEquivGroups(A []string) int {`
	`4`	`+ m := make(map[[52]int]bool)`
	`5`	`+ for _, s := range A {`
	`6`	`+ var count [52]int`
	`7`	`+ for i, char := range s {`
	`8`	`+ count[int(char)-'a'+26*(i%2)]++`
	`9`	`+ }`
	`10`	`+ m[count] = true`
	`11`	`+ }`
	`12`	`+ return len(m)`
	`13`	`+}`

Lines changed: 34 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,35 @@`
`1`	`1`	`package groups_of_special_equivalent_strings`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type caseType struct {`
	`6`	`+ input []string`
	`7`	`+ expected int`
	`8`	`+}`
	`9`	`+`
	`10`	`+func TestNumSpecialEquivGroups(t *testing.T) {`
	`11`	`+ tests := [...]caseType{`
	`12`	`+ {`
	`13`	`+ input: []string{"a", "b", "c", "a", "c", "c"},`
	`14`	`+ expected: 3,`
	`15`	`+ },`
	`16`	`+ {`
	`17`	`+ input: []string{"aa", "bb", "ab", "ba"},`
	`18`	`+ expected: 4,`
	`19`	`+ },`
	`20`	`+ {`
	`21`	`+ input: []string{"abc", "acb", "bac", "bca", "cab", "cba"},`
	`22`	`+ expected: 3,`
	`23`	`+ },`
	`24`	`+ {`
	`25`	`+ input: []string{"abcd", "cdab", "adcb", "cbad"},`
	`26`	`+ expected: 1,`
	`27`	`+ },`
	`28`	`+ }`
	`29`	`+ for _, tc := range tests {`
	`30`	`+ output := numSpecialEquivGroups(tc.input)`
	`31`	`+ if output != tc.expected {`
	`32`	`+ t.Fatalf("input: %v, output: %v, expected: %v", tc.input, output, tc.expected)`
	`33`	`+ }`
	`34`	`+ }`
	`35`	`+}`

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