Commit 717bc15

author

Shuo

authored

Merge pull request #697 from openset/develop

Add: Maximum Number of Balloons

2 parents cb76a9f + 5fcca36 commit 717bc15Copy full SHA for 717bc15

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Lines changed: 1 addition & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -220,5 +220,6 @@ var problemStatus = map[int]bool{`
`220`	`220`	`1154: true,`
`221`	`221`	`1163: true,`
`222`	`222`	`1185: true,`
	`223`	`+ 1189: true,`
`223`	`224`	`1221: true,`
`224`	`225`	`}`

Lines changed: 20 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,20 @@`
	`1`	`+package problem_1189`
	`2`	`+`
	`3`	`+func maxNumberOfBalloons(text string) int {`
	`4`	`+ ans, m := len(text), make(map[byte]int, 5)`
	`5`	`+ for i := 0; i < ans; i++ {`
	`6`	`+ switch text[i] {`
	`7`	`+ case 'b', 'a', 'l', 'o', 'n':`
	`8`	`+ m[text[i]]++`
	`9`	`+ }`
	`10`	`+ }`
	`11`	`+ for _, c := range [...]byte{'b', 'a', 'l', 'o', 'n'} {`
	`12`	`+ if c == 'l' \|\| c == 'o' {`
	`13`	`+ m[c] /= 2`
	`14`	`+ }`
	`15`	`+ if ans > m[c] {`
	`16`	`+ ans = m[c]`
	`17`	`+ }`
	`18`	`+ }`
	`19`	`+ return ans`
	`20`	`+}`

Lines changed: 35 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,35 @@`
	`1`	`+package problem_1189`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type caseType struct {`
	`6`	`+ input string`
	`7`	`+ expected int`
	`8`	`+}`
	`9`	`+`
	`10`	`+func TestMaxNumberOfBalloons(t *testing.T) {`
	`11`	`+ tests := [...]caseType{`
	`12`	`+ {`
	`13`	`+ input: "nlaebolko",`
	`14`	`+ expected: 1,`
	`15`	`+ },`
	`16`	`+ {`
	`17`	`+ input: "loonbalxballpoon",`
	`18`	`+ expected: 2,`
	`19`	`+ },`
	`20`	`+ {`
	`21`	`+ input: "leetcode",`
	`22`	`+ expected: 0,`
	`23`	`+ },`
	`24`	`+ {`
	`25`	`+ input: "lloo",`
	`26`	`+ expected: 0,`
	`27`	`+ },`
	`28`	`+ }`
	`29`	`+ for _, tc := range tests {`
	`30`	`+ output := maxNumberOfBalloons(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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