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11179번: 2진수 뒤집기 ↗

Solutions

Python 3
109 B | 109 chars
a=input()
a=str(bin(int(a)))
b=list(a)
b=b[2 : ]
b.reverse()

c=""
for i in b:
    c=c+i

A=int(c,2)
print(A)