Commit a581d27

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Add: Excel Sheet Column Number

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+58

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Lines changed: 9 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,10 @@`
`1`	`1`	`package excel_sheet_column_number`
	`2`	`+`
	`3`	`+func titleToNumber(s string) int {`
	`4`	`+ ans := 0`
	`5`	`+ for _, c := range s {`
	`6`	`+ ans *= 26`
	`7`	`+ ans += int(c) - 'A' + 1`
	`8`	`+ }`
	`9`	`+ return ans`
	`10`	`+}`

Lines changed: 49 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -1 +1,50 @@`
`1`	`1`	`package excel_sheet_column_number`
	`2`	`+`
	`3`	`+import "testing"`
	`4`	`+`
	`5`	`+type caseType struct {`
	`6`	`+ input string`
	`7`	`+ expected int`
	`8`	`+}`
	`9`	`+`
	`10`	`+func TestTitleToNumber(t *testing.T) {`
	`11`	`+ tests := [...]caseType{`
	`12`	`+ {`
	`13`	`+ input: "A",`
	`14`	`+ expected: 1,`
	`15`	`+ },`
	`16`	`+ {`
	`17`	`+ input: "C",`
	`18`	`+ expected: 3,`
	`19`	`+ },`
	`20`	`+ {`
	`21`	`+ input: "Z",`
	`22`	`+ expected: 26,`
	`23`	`+ },`
	`24`	`+ {`
	`25`	`+ input: "AA",`
	`26`	`+ expected: 27,`
	`27`	`+ },`
	`28`	`+ {`
	`29`	`+ input: "AB",`
	`30`	`+ expected: 28,`
	`31`	`+ },`
	`32`	`+ {`
	`33`	`+ input: "ZY",`
	`34`	`+ expected: 701,`
	`35`	`+ }, {`
	`36`	`+ input: "AAA",`
	`37`	`+ expected: 703,`
	`38`	`+ },`
	`39`	`+ {`
	`40`	`+ input: "XYZ",`
	`41`	`+ expected: 16900,`
	`42`	`+ },`
	`43`	`+ }`
	`44`	`+ for _, tc := range tests {`
	`45`	`+ output := titleToNumber(tc.input)`
	`46`	`+ if output != tc.expected {`
	`47`	`+ t.Fatalf("input: %v, output: %v, expected: %v", tc.input, output, tc.expected)`
	`48`	`+ }`
	`49`	`+ }`
	`50`	`+}`

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