Commit 3553f52

author

Sandy

authored

Merge pull request #108 from openset/develop

Add: majority_element

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Lines changed: 14 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,15 @@`
`1`	`1`	`package majority_element`
	`2`	`+`
	`3`	`+func majorityElement(nums []int) int {`
	`4`	`+ count, ans := 1, nums[0]`
	`5`	`+ for _, n := range nums[1:] {`
	`6`	`+ if n != ans {`
	`7`	`+ count--`
	`8`	`+ }`
	`9`	`+ if count <= 0 {`
	`10`	`+ ans = n`
	`11`	`+ count = 1`
	`12`	`+ }`
	`13`	`+ }`
	`14`	`+ return ans`
	`15`	`+}`

Lines changed: 30 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,31 @@`
`1`	`1`	`package majority_element`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type caseType struct {`
	`6`	`+ input []int`
	`7`	`+ expected int`
	`8`	`+}`
	`9`	`+`
	`10`	`+func TestMajorityElement(t *testing.T) {`
	`11`	`+ tests := [...]caseType{`
	`12`	`+ {`
	`13`	`+ input: []int{3, 2, 3},`
	`14`	`+ expected: 3,`
	`15`	`+ },`
	`16`	`+ {`
	`17`	`+ input: []int{2, 2, 1, 1, 1, 2, 2},`
	`18`	`+ expected: 2,`
	`19`	`+ },`
	`20`	`+ {`
	`21`	`+ input: []int{1},`
	`22`	`+ expected: 1,`
	`23`	`+ },`
	`24`	`+ }`
	`25`	`+ for _, tc := range tests {`
	`26`	`+ output := majorityElement(tc.input)`
	`27`	`+ if output != tc.expected {`
	`28`	`+ t.Fatalf("input: %v, output: %v, expected: %v", tc.input, output, tc.expected)`
	`29`	`+ }`
	`30`	`+ }`
	`31`	`+}`

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