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Posts by __blackjack__‭

5 posts
66%
+2 −0
Challenges Find n Niven Numbers

Python, 98 bytes from itertools import* f=lambda n:[*islice(filter(lambda k:k%sum(map(int,str(k)))==0,count(1)),n)] itertools.count() generates integer numbers starting from 1, filter() fil...

posted 1y ago by __blackjack__‭  ·  edited 1y ago by __blackjack__‭

Answer
66%
+2 −0
Challenges Presumptuous base conversion

Python 3, 60 59 bytes D=input();m=int(max(D),16);print(m and int(D,m+1)or len(D)) Quite straight forward implementation. Input string is assigned to D. m is the the max() letter in D conver...

posted 1y ago by __blackjack__‭  ·  edited 1y ago by __blackjack__‭

Answer
60%
+1 −0
Challenges Multiply complex numbers.

Python 3, 63 bytes print(str(eval(f"({input().replace(' ',')*(')})")).strip("()")) Try it online! Similar to hyper-neutrino‭'s answer. Doesn't replace i by j and back, and uses f-string instea...

posted 1y ago by __blackjack__‭

Answer
50%
+0 −0
Challenges Cumulative Counts

Python 3, 70 bytes def f(a): d={};r=[] for x in a:d[x]=d.get(x,0)+1;r+=[d[x]] return r Try it online!

posted 1y ago by __blackjack__‭

Answer
50%
+0 −0
Challenges "Hello, World!"

Z80 Assembler, 50 bytes org 256 ld de,m ld c,9 jp 5 m:db"Hello, world!\r$" With assembler there's usually the problem which machine or operating system the program is for. I've chosen CP/M ...

posted 1y ago by __blackjack__‭

Answer