Q.enqueue(name) while Q.size() > 1: for _ in range(kill_num - 1): # 这里没有用到_,只是为了循环而已 Q.enqueue(Q.dequeue()) print("Kill:", Q.dequeue()) return Q.dequeue() name_list = [] for i in range(40): name_list.append(i + 1) print("Safe number:", dataosha(nam...
def quick_sort(arr): n = len(arr) if n <= 1: return arr low = [] mid = [] high = [] splitdata = arr[0] mid.append(splitdata) for i in range(1, n): # the first element has been used if arr[i] < splitdata: low.append(arr[i]) elif arr[i] == splitdata: mid.ap...
q->data[q->rear++ % QueueSize] =d;returntrue; }boolpop(Queue2*q){if(empty(q))returnfalse; q->front++;returntrue; } DataType getFront(Queue2*q){returnq->data[q->front %QueueSize]; }intmain(intargc,constchar*argv[]){inti =0; Queue2 q2; init(&q2);for(i =0; i <6; i...
Algorithm: Algorithms are basically methods or recipes for solving various problems. To write a program to solve some problems, we first need to know a suitable algorithm. 算法导论:非形式的说,算法就是任何良定义的计算过程,该过程取某个值或者值的集合作为输入并产生某个值或者值的集合作为输出。这样算...
除了这两个之外,当然还有很多其他加密算法,比如DES(Data Encryption Standard,数据加密标准)、AES(Advanced Encryption Standard,高级加密标准)。 前面我讲到的哈希算法四点要求,对用于加密的哈希算法来说,有两点格外重要。第一点是很难根据哈希值反向推导出原始数据,第二点是散列冲突的概率要很小。
Data structure and algorithm are one of the important standards for programmers' internal skills, and data structure is also used in various as...
7.7.树(trie) 7.8.图(graph) 7.9.查找算法(search) 7.9.1.线性查找(linear search) 7.9.2.二分查找(binary search) 7.9.3.哈希查找(hash search) 7.10.排序算法(sort) 7.10.1.冒泡排序(bubble sort) 7.10.2.选择排序(selection sort) 7.10.3.插入排序(insertion sort) ...
(15);printf("Element at top of the stack: %d\n",peek());printf("Elements: \n");// print stack datawhile(!isempty()){intdata=pop();printf("%d\n",data);}printf("Stack full: %s\n",isfull()?"true":"false");printf("Stack empty: %s\n",isempty()?"true":"false");return0...
Data structuresalgorithmIJCSIThe combinations play an important role in software testing. Using them we can generate the pairs of input parameters for testing. However until now we have the tabular representations for combination pairs or simply the charts for them. In this paper we propose the ...
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