Excel Sheet Column Number | Leetcode 171 | Day-22 | String

Time Complexity : O(n)
Space Complexity : O(1)


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Excel Sheet Column Number solution
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[thuglifeinventor]

Great explanation, this was mathy which I didn't expected, but now that I saw the formula I passed the leetcode's question in JS

[AbhishekSingh-fcrx]

Thanks a lot ayushi super easy approach.

[I_nick_]

You explanation is very simple..Everyone can understand.You are doing great job..keep it🙏

[ChandraShekhar-bycd]

Thanks a lot for making us all consistent! 😊

[santhoshsam]

Result += LetterNumber * totalChar ^ (totalChar - currentLetterIndex)

2 * 26 ^ 1 + 1 * 26 ^ 0 = 53 = BA

[jatinsingh]

Can you tell me why "zz" is 702 not 676 .... I'm a bit confused here....

[cap_]

Instead of using
columnTitle.size() USE columnTitle.size()
And for
columnTitle[i] USE
columnTitle.charAt(i)

[onemusic]

columnTitle.charAt(i) not columnTitle[I]