Excel Column Number Conversion Given a column title as it appears in an Excel sheet, your task is to return its corresponding column number. Example: Input: S = "AB" Output: 28 Explanation: The sequence is as follows: A -> 1 B -> 2 C -> 3 ... Z -> 26 AA -> 27 AB -> 28 Constraints: 1 <= |S| <= 10 S consists only of uppercase English Alphabet letters Note: Consider implementing the function to convert the Excel column title to a number. You do not have to handle input/output explicitly.

Convert Excel column title to corresponding column number. Iterate through the characters in the input string from right to left Calculate the corresponding value of each character based on its position and multiply by 26^index Sum up all the values to get the final column number

UST Interview Questions: Excel Column Number ConversionGiven a column title as it app

Asked in UST,Senior Software Engineer

Excel Column Number Conversion

Given a column title as it appears in an Excel sheet, your task is to return its corresponding column number.

Example:

Input:

S = "AB"

Output:

Explanation:

The sequence is as follows:
A -> 1
B -> 2
C -> 3
...
Z -> 26
AA -> 27
AB -> 28

Constraints:

1 <= |S| <= 10
S consists only of uppercase English Alphabet letters

Note:

Consider implementing the function to convert the Excel column title to a number. You do not have to handle input/output explicitly.

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Convert Excel column title to corresponding column number.

Iterate through the characters in the input string from right to left
Calculate the corresponding value of each character based on its position...read more

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