Easy to understand Solution, python

  • 0

    The idea is to first transpose the matrix and then flip it horizontally.

    class Solution(object):
    	def rotate(self, m):
    		for i in range(len(m)):
    			for j in range(i,len(m[0])):
    				if i != j:
    					temp = m[i][j]
    					m[i][j] = m[j][i]
    					m[j][i] = temp
    		for i in range(len(m)):
    			for j in range(len(m[0])/2):
    				x = len(m[0])-1 - j
    				temp = m[i][j]
    				m[i][j] = m[i][x]
    				m[i][x] = temp

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