class Solution(object):
def rotate(self, matrix):
"""
:type matrix: List[List[int]]
:rtype: void Do not return anything, modify matrix in-place instead.
"""
i=0
for x in zip(*matrix):
matrix[i]=list(reversed(x))
i+=1
class Solution(object):
def rotate(self, matrix):
"""
:type matrix: List[List[int]]
:rtype: void Do not return anything, modify matrix in-place instead.
"""
n = len(matrix)
# anti-diagonal mirror
for i in xrange(n):
for j in xrange(n - i):
matrix[i][j], matrix[n-1-j][n-1-i] = matrix[n-1-j][n-1-i], matrix[i][j]
# horizontal mirror
for i in xrange(n / 2):
for j in xrange(n):
matrix[i][j], matrix[n-1-i][j] = matrix[n-1-i][j], matrix[i][j]
