Commit f180899

author

Shuo

authored

Merge pull request #803 from openset/develop

A: Destination City

2 parents 5c66166 + 6c3b55f commit f180899Copy full SHA for f180899

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Lines changed: 14 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,14 @@`
	`1`	`+package problem1436`
	`2`	`+`
	`3`	`+func destCity(paths [][]string) string {`
	`4`	`+ m := make(map[string]bool)`
	`5`	`+ for _, path := range paths {`
	`6`	`+ m[path[0]] = true`
	`7`	`+ }`
	`8`	`+ for _, path := range paths {`
	`9`	`+ if !m[path[1]] {`
	`10`	`+ return path[1]`
	`11`	`+ }`
	`12`	`+ }`
	`13`	`+ return ""`
	`14`	`+}`

Lines changed: 48 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,48 @@`
	`1`	`+package problem1436`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type testType struct {`
	`6`	`+ in [][]string`
	`7`	`+ want string`
	`8`	`+}`
	`9`	`+`
	`10`	`+func TestDestCity(t *testing.T) {`
	`11`	`+ tests := [...]testType{`
	`12`	`+ {`
	`13`	`+ in: [][]string{`
	`14`	`+ {"London", "New York"},`
	`15`	`+ {"New York", "Lima"},`
	`16`	`+ {"Lima", "Sao Paulo"},`
	`17`	`+ },`
	`18`	`+ want: "Sao Paulo",`
	`19`	`+ },`
	`20`	`+ {`
	`21`	`+ in: [][]string{`
	`22`	`+ {"B", "C"},`
	`23`	`+ {"D", "B"},`
	`24`	`+ {"C", "A"},`
	`25`	`+ },`
	`26`	`+ want: "A",`
	`27`	`+ },`
	`28`	`+ {`
	`29`	`+ in: [][]string{`
	`30`	`+ {"A", "Z"},`
	`31`	`+ },`
	`32`	`+ want: "Z",`
	`33`	`+ },`
	`34`	`+ {`
	`35`	`+ in: [][]string{`
	`36`	`+ {"A", "B"},`
	`37`	`+ {"B", "A"},`
	`38`	`+ },`
	`39`	`+ want: "",`
	`40`	`+ },`
	`41`	`+ }`
	`42`	`+ for _, tt := range tests {`
	`43`	`+ got := destCity(tt.in)`
	`44`	`+ if got != tt.want {`
	`45`	`+ t.Fatalf("in: %v, got: %v, want: %v", tt.in, got, tt.want)`
	`46`	`+ }`
	`47`	`+ }`
	`48`	`+}`

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