24 求教代码中标注为红色字体的意思，看不懂，谢谢！
本帖最后由 旭日 于 2021-4-20 08:48 编辑
class Solution:
def rotateString(self, s, offset):
if len(s) > 0:
offset = offset % len(s)
temp = (s + s)[len(s) - offset:2 * len(s) - offset]
for i in range(len(temp)):
s = temp
if __name__ == '__main__':
s = ['a', 'b', 'c', 'd', 'e', 'f', 'g']
offset = 3
solution = Solution()
solution.rotateString(s, offset)
print("输入：s = ", ['a', 'b', 'c', 'd', 'e', 'f', 'g'], ' ', 'offset = ', offset)
print('输出：s =', s)
class Solution:
def rotateString(self, s, offset):
if len(s) > 0:
offset = offset % len(s)
temp = (s + s)[len(s) - offset:2 * len(s) - offset]
for i in range(len(temp)):
s = temp
if __name__ == '__main__':
s = ['a', 'b', 'c', 'd', 'e', 'f', 'g']
offset = 3
solution = Solution()
solution.rotateString(s, offset)
print("输入：s = ", ['a', 'b', 'c', 'd', 'e', 'f', 'g'], ' ', 'offset = ', offset)
print('输出：s =', s)
最佳答案 2021-09-23 23:16
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这个代码是实现将数组做一个循环右移，将数组的最后offset个数依次取出并放在数组的第一个位置： for index in range(offset): last = s.pop() s.insert(0, last) |
