Excel Sheet Column Title
描述
Given a positive integer, return its corresponding column title as appear in an Excel sheet.
For example:
1 -> A
2 -> B
3 -> C
...
26 -> Z
27 -> AA
28 -> AB
Credits:Special thanks to @ifanchu for adding this problem and creating all test cases.
题解
package algorithms
func convertToTitle(n int) string {
res := ""
for n > 0 {
n--
res = string(byte(n%26)+'A') + res
n /= 26
}
return res
}