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A robot is located at the top-left corner of a m x n grid (marked ‘Start’ in the diagram below). The robot can only move either down or right at any point in time. The robot is trying to reach the bo...

def power(a,n): if n==0: return 1 res,temp=1,a while n: if n&1: res*=temp n>>=1 print("n:",n) temp*=temp return res print(...