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用数组A[1,…,n]顺序存储完全二叉树的各结点,则当i<=(n-1)/2时,结点A[i]的右子女为( )。A.A[2i-1]B.A[2i+1]C.A[2i]D.不存在
若已知一个栈的输入序列为1,2, 3,…,n;其输出序列为P1,P2,…,Pn。若P1=n,则Pi为( )。A.i B.n-iC.n-i+ 1 D.不确定
. 21. –Bruce, I really appreciate your handwriting.-- .A. I practice every day B. Thank you very muchC. No, I don’t think so D. Well, it’s not good e
--I'm sorry, but I don't quite follow you. Did you say you wanted to return on September 20?--Sorry, I ____ myself clear. We want to return on Octobe
A.n*k+iB.n*k+i+1C.(n-1)*k+iD.(n-1)*k+i+1
当电压和电流的正方向相同时,欧姆定律的公式为().A.R=I/UB.R=U/IC.U=-IRD.R=-U/I