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First solution in Clear category for Number Base by maciejmoscicki
def checkio(str_number, radix):
i=len(str_number)-1
wynik=0
n=0
while(i>=0):
liczba=str_number[i]
if(liczba>='A' and liczba<='Z'):
liczbacyfra=ord(liczba)-55
else:
liczbacyfra=int(liczba)
wynik+=liczbacyfra*radix**n
if(liczbacyfra>=radix):
return -1
n+=1
i-=1
return wynik
#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"
Oct. 8, 2016
