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Choongkyu/excel_col_num.py

Created August 10, 2020 20:19
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excel_col_num.py
class Solution:
def titleToNumber(self, s: str) -> int:
out = 0
for i, ch in enumerate(s):
v = ord(ch) - 64
place = len(s) - i - 1
out += (v * 26**place)
return out
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