Update lib.go

This commit is contained in:
lichaofei 2017-09-05 18:06:38 +08:00 committed by GitHub
parent 5354074fc2
commit 1169042f7d
1 changed files with 7 additions and 1 deletions

8
lib.go
View File

@ -79,7 +79,13 @@ func TitleToNumber(s string) int {
weight := 0.0
sum := 0
for i := len(s) - 1; i >= 0; i-- {
sum = sum + (int(s[i])-int('A')+1)*int(math.Pow(26, weight))
var ch int
if int(s[i]) >= int('a') && int(s[i]) <= int('z') {
ch = int(s[i]) - 32
} else {
ch = int(s[i])
}
sum = sum + (ch-int('A')+1)*int(math.Pow(26, weight))
weight++
}
return sum - 1