二叉搜索树的查找——递归算法:bool Find(BTreeNode* BST,ElemType& item){if (BST==NULL)return false; //查找失败else {if (item==BST->data){item=BST->data;//查找成功return ___________;}else if(itemdata)return Find(______________,item);else return Find(_______________,item);}//if}
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struct record{int key; int others;};int hashsqsearch(struct record hashtable[ ],int k){int i,j;j=i=k % p;while (hashtable[j].key!=k&&hashtable[j].flag!=0){j=(____________) %m;if (i==j) return(-1);}if (_______________________ ) return(j);else return(-1);}
设一组初始记录关键字序列为(15,17,18,22,35,51,60),成功查找时的平均查找长度。
试用伯努利方程分析并解释足球运动中的香蕉球和飞机在空气中飞行时机翼所受的升力?
A. Short dialoguesChoose the best answer to the questions you hear.1.A. He worked too hard in his garden.B. He didn’t sleep well.C. He is not in a good mood.D. He had to look after a cat.2.A. Hamburger.B. Hot dog.C. Instant noodles.D. Crisps.3.A. She has a headache.B. Her forehead gets hurt.C. She has a fever.D. She thinks the weather is hot.4.A. Mosquitoes.B. Sharks.C. Snakes.D. Tigers.5.A. Good mood.B. Hard work.C. Healthy food.D. Daily exercise.[音频]