旋转字符串
2018-03-20 本文已影响3人
只为此心无垠
def rotateString(self, str, offset):
# write your code here
n = len(str)
if offset < 0 or n == 0:
return str
offset = offset % n
i, j = 0, len(str) - 1
temp = (str + str)[n - offset : 2 * n - offset]
for i in xrange(len(temp)):
str[i] = temp[i]
