Commit fc2cd6b

author

Shuo

authored

Merge pull request #569 from openset/develop

Add: Word Break

2 parents e5c3308 + c59b2c8 commit fc2cd6bCopy full SHA for fc2cd6b

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Lines changed: 1 addition & 0 deletions

Lines changed: 18 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,19 @@`
`1`	`1`	`package word_break`
	`2`	`+`
	`3`	`+func wordBreak(s string, wordDict []string) bool {`
	`4`	`+ wm, l := make(map[string]bool), len(s)`
	`5`	`+ for _, w := range wordDict {`
	`6`	`+ wm[w] = true`
	`7`	`+ }`
	`8`	`+ dp := make([]bool, l+1)`
	`9`	`+ dp[0] = true`
	`10`	`+ for i := 1; i <= l; i++ {`
	`11`	`+ for j := 0; j < i; j++ {`
	`12`	`+ if dp[j] && wm[s[j:i]] {`
	`13`	`+ dp[i] = true`
	`14`	`+ break`
	`15`	`+ }`
	`16`	`+ }`
	`17`	`+ }`
	`18`	`+ return dp[l]`
	`19`	`+}`

Lines changed: 34 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,35 @@`
`1`	`1`	`package word_break`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type caseType struct {`
	`6`	`+ input string`
	`7`	`+ wordDict []string`
	`8`	`+ expected bool`
	`9`	`+}`
	`10`	`+`
	`11`	`+func TestWordBreak(t *testing.T) {`
	`12`	`+ tests := [...]caseType{`
	`13`	`+ {`
	`14`	`+ input: "leetcode",`
	`15`	`+ wordDict: []string{"leet", "code"},`
	`16`	`+ expected: true,`
	`17`	`+ },`
	`18`	`+ {`
	`19`	`+ input: "applepenapple",`
	`20`	`+ wordDict: []string{"apple", "pen"},`
	`21`	`+ expected: true,`
	`22`	`+ },`
	`23`	`+ {`
	`24`	`+ input: "catsandog",`
	`25`	`+ wordDict: []string{"cats", "dog", "sand", "and", "cat"},`
	`26`	`+ expected: false,`
	`27`	`+ },`
	`28`	`+ }`
	`29`	`+ for _, tc := range tests {`
	`30`	`+ output := wordBreak(tc.input, tc.wordDict)`
	`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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