RP-3 · August 10, 2020 10:39
diff --git a/excelColumnNumber.go b/excelColumnNumber.go
 import "math"

 func titleToNumber(s string) int {

 	result := 0
 	l := len(s)
 	zero := 'A' - 1

 	for i := l - 1; i >= 0; i-- {
 		result += int(math.Pow(26, float64(l-i-1)) * float64((s[i] - byte(zero))))
 	}

 	return result
 }
	import "math"

	func titleToNumber(s string) int {

	result := 0
	l := len(s)
	zero := 'A' - 1

	for i := l - 1; i >= 0; i-- {
	result += int(math.Pow(26, float64(l-i-1)) * float64((s[i] - byte(zero))))
	}

	return result
	}