numb623的专栏

Project 3: Sort Poems Harry once found an interesting ancient poem written on a long strip of paper. He decided to save this piece of art into his computer by scanning the paper segment by segment.

In Professor McGonagall's class of Transfiguration, Harry Potter is learning how to transform one object into another by some spells. He has learnt that, to turn a cat into a mouse one can say docam

Algorithm 1:time complexity O(N) double pow(double x, long n) { if(n==0) return 1; /*when n=0 whatever the x is,the pow is 1*/ if(n==1) return x; /*when n=1 the result is x itself*/ els