master^2
nwerc-082 2016-11-20 11:33:56 +00:00
父節點 1b9d9346a1
當前提交 0231d45937
共有 1 個檔案被更改,包括 12 行新增0 行删除

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H.py Normal file
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from __future__ import print_function
import sys
def to_int(x):
bs = []
for b in x:
if bs and bs[-1]:
bs.append(0 if b == "1" else 1)
else:
bs.append(1 if b == "1" else 0)
return int("".join(map(str, bs)), 2)
n, a, b = sys.stdin.readline().split(); n = int(n)
print(to_int(b) - to_int(a) - 1)