Submission #1476783

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Source Code Expand

#!/usr/bin/env python3
n = int(input())
x = []
y = []
k = 1
for c in bin(n)[2 :][1 :]:
    x += [ k ]
    y += [ k ]
    k += 1
    if int(c):
        x = [ k ] + x
        y += [ k ]
        k += 1
if not (x + y):
    x = [ 100 ]
print(len(x + y))
print(*(x + y))

Submission Info

Judge Result