Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Number Base by cinekk
def checkio(str_number, radix):
number = str_number[::-1]
result = 0
for i in range(len(number)):
if number[i] in 'QWERTYUIOPASDFGHJKLZXCVBNM':
if ord(number[i])-55 >= radix:
return -1
result += (ord(number[i])-55) * (radix**i)
else:
if int(number[i]) >= radix:
return -1
result += int(number[i]) * (radix**i)
return result
#These "asserts" using only for self-checking and not necessary for auto-testing
if __name__ == '__main__':
assert checkio("AF", 16) == 175, "Hex"
assert checkio("101", 2) == 5, "Bin"
assert checkio("101", 5) == 26, "5 base"
assert checkio("Z", 36) == 35, "Z base"
assert checkio("AB", 10) == -1, "B > A > 10"
Nov. 7, 2016
