Commit 03c0fa2

author

Shuo

authored

Merge pull request #248 from openset/develop

Add: Delete Columns to Make Sorted

2 parents a394b1e + 49eeabe commit 03c0fa2Copy full SHA for 03c0fa2

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Lines changed: 13 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,14 @@`
`1`	`1`	`package delete_columns_to_make_sorted`
	`2`	`+`
	`3`	`+func minDeletionSize(A []string) int {`
	`4`	`+ ans := 0`
	`5`	`+ for i := 0; i < len(A[0]); i++ {`
	`6`	`+ for j, str := range A[1:] {`
	`7`	`+ if str[i] < A[j][i] {`
	`8`	`+ ans++`
	`9`	`+ break`
	`10`	`+ }`
	`11`	`+ }`
	`12`	`+ }`
	`13`	`+ return ans`
	`14`	`+}`

Lines changed: 30 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,31 @@`
`1`	`1`	`package delete_columns_to_make_sorted`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type caseType struct {`
	`6`	`+ input []string`
	`7`	`+ expected int`
	`8`	`+}`
	`9`	`+`
	`10`	`+func TestMinDeletionSize(t *testing.T) {`
	`11`	`+ tests := [...]caseType{`
	`12`	`+ {`
	`13`	`+ input: []string{"cba", "daf", "ghi"},`
	`14`	`+ expected: 1,`
	`15`	`+ },`
	`16`	`+ {`
	`17`	`+ input: []string{"a", "b"},`
	`18`	`+ expected: 0,`
	`19`	`+ },`
	`20`	`+ {`
	`21`	`+ input: []string{"zyx", "wvu", "tsr"},`
	`22`	`+ expected: 3,`
	`23`	`+ },`
	`24`	`+ }`
	`25`	`+ for _, tc := range tests {`
	`26`	`+ output := minDeletionSize(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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