{"id":48,"date":"2021-08-27T15:03:17","date_gmt":"2021-08-27T07:03:17","guid":{"rendered":"http:\/\/www.gislxz.top\/?p=48"},"modified":"2022-04-19T22:42:37","modified_gmt":"2022-04-19T14:42:37","slug":"2","status":"publish","type":"post","link":"https:\/\/www.gislxz.com\/index.php\/2021\/08\/27\/2\/","title":{"rendered":"\u6570\u636e\u7ed3\u6784\uff082\uff09\u7ebf\u6027\u8868-\u94fe\u5f0f\u63cf\u8ff0"},"content":{"rendered":"\n

\u6570\u7ec4\u5b9e\u73b0\u4e0e\u94fe\u5f0f\u63cf\u8ff0\u76f8\u6bd4\u5728\u4e0d\u540c\u64cd\u4f5c\u4e0b\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u4e0d\u4e00\u6837<\/p>\n\n\n\n

\u64cd\u4f5c<\/td>\u6570\u7ec4<\/td>\u94fe\u8868\uff08\u5355\u5411\uff09<\/td><\/tr>
\u968f\u673a\u8bbf\u95ee<\/td>O(1)<\/td>O(N)<\/td><\/tr>
\u5934\u90e8\u63d2\u5165\u5143\u7d20<\/td>O(N) <\/td>O(1) <\/td><\/tr>
\u5934\u90e8\u5220\u9664\u5143\u7d20<\/td>O(N) <\/td>O(1) <\/td><\/tr>
\u5c3e\u90e8\u63d2\u5165\u5143\u7d20<\/td>O(1) <\/td>O(N) <\/td><\/tr>
\u5c3e\u90e8\u5220\u9664\u5143\u7d20<\/td>O(1) <\/td>O(N) <\/td><\/tr>
\u5728theIndex\u63d2\u5165\u6216\u5220\u9664<\/td>O(listSize-theIndex)<\/td>O(theIndex)<\/td><\/tr><\/tbody><\/table>
\u6570\u7ec4\u548c\u94fe\u8868\u65f6\u95f4\u590d\u6742\u5ea6\u5bf9\u6bd4<\/figcaption><\/figure>\n\n\n\n

\u94fe\u8868\u9996\u5148\u9700\u8981\u5b9a\u4e49\u4e00\u4e2a\u7ed3\u6784chainNode\uff0c\u8282\u70b9\u5305\u542b\u81ea\u8eab\u7684\u503c\u548c\u6307\u5411\u4e0b\u4e00\u4e2a\u8282\u70b9\u7684\u6307\u9488\uff0c\u5305\u542b\u4e24\u79cd\u6784\u9020\u51fd\u6570\u3002<\/p>\n\n\n\n

template<class T>\nstruct chainNode {\n\tT element;\n\tchainNode<T>* next;\n\n\tchainNode(){}\n\tchainNode(const T& element) {\n\t\tthis->element = element;\n\t}\n\tchainNode(const T& element, chainNode<T>* next) {\n\t\tthis->element = element;\n\t\tthis->next = next;\n\t}\n};<\/code><\/pre>\n\n\n\n
\u4e4b\u540e\u5c31\u662f\u5b9a\u4e49\u7c7bchain\uff0c\u9664\u4e86\u4e00\u5806\u51fd\u6570\u4e4b\u5916\uff0c\u4e3b\u8981\u5c31\u662f\u7b2c\u4e00\u4e2a\u8282\u70b9\u7684\u4f4d\u7f6e\u4ee5\u53ca\u94fe\u8868\u7684\u957f\u5ea6<\/p>\n\n\n\n
template<class T>\nclass chain\n{\npublic:\n\tchain(int initialCapacity = 10);\n\tchain(const chain<T>&);\n\t~chain();\n\n\tbool empty() const { return listSize == 0; }\n\tint size() const { return listSize; }\n\tT get(int theIndex) const;\n\tint indexOf(const T& theElement) const;\n\tvoid erase(int theIndex);\n\tvoid insert(int theIndex, const T& theElement);\n\tvoid output() const;\n\nprotected:\n\tvoid checkIndex(int theIndex) const;\n\tchainNode<T>* firstNode;\n\tint listSize;\n};<\/code><\/pre>\n\n\n\n
\u9996\u5148\u6765\u5199\u6784\u9020\u51fd\u6570\uff0c\u540c\u6837\u8fd8\u662f\u51fd\u6570\u91cd\u8f7d\uff0c\u4e00\u79cd\u65b0\u5efa\u4e00\u79cd\u590d\u5236<\/p>\n\n\n\n
\/\/\u65b0\u5efa\u7684\u5f88\u7b80\u5355\uff0c\u6ca1\u5565\u8bf4\u7684\ntemplate<class T>\nchain<T>::chain(int initialCapacity) {\n\tfirstNode = NULL;\n\tlistSize = 0;\n}\n\n\/\/\u590d\u5236\u7684\u590d\u6742\u4e00\u70b9\uff0c\u9996\u5148\u5224\u65ad\u8981\u590d\u5236\u7684\u94fe\u8868\u662f\u5426\u4e3a\u7a7a\ntemplate<class T>\nchain<T>::chain(const chain<T>& theList) {\n\tlistSize = theList.listSize;\n\tif (listSize == 0) {\n\t\tfirstNode = NULL;\n\t\treturn;\n\t}\n\n\/\/\u5982\u679c\u94fe\u8868\u4e0d\u7a7a\uff0c\u9996\u5148\u65b0\u5efa\u6307\u9488sourceNode\u6307\u5411\u88ab\u590d\u5236\u94fe\u8868\u7684\u9996\u8282\u70b9\n\tchainNode<T>* sourceNode = theList.firstNode;\n\tfirstNode = new chainNode<T>(sourceNode->element);\/\/\u4f7f\u7528\u8282\u70b9\u7684\u6784\u9020\u51fd\u6570\u65b0\u5efa\u65b0\u94fe\u8868\u7684\u9996\u8282\u70b9\uff0c\u4f7ffirstNode\u6307\u5411\u5b83\n\tsourceNode = sourceNode->next;\/\/sourceNode\u6307\u5411\u7b2c\u4e8c\u4e2a\u8282\u70b9\n\tchainNode<T>* targetNode = firstNode;\/\/\u65b0\u5efatargetNode\u6307\u5411\u9996\u8282\u70b9\n\twhile (sourceNode != NULL) {\/\/\u5b9e\u9645\u4e0asourceNode\u6bd4targetNode\u5feb\u4e00\u6b65\uff0c\u4ee5\u5b8c\u6210\u65b0\u8282\u70b9\u7684\u6784\u9020\u4ee5\u53ca\u6307\u9488\u6307\u5411\u4e0b\u4e00\u4e2a\u8282\u70b9\uff0c\u4e14source\u4e00\u76f4\u6307\u5411\u7684\u88ab\u590d\u5236\u7684\u94fe\u8868\u91cc\u7684\u8282\u70b9\uff0c\u800ctargetNode\u6307\u5411\u7684\u90fd\u662f\u65b0\u94fe\u8868\u7684\u8282\u70b9\n\t\ttargetNode->next = new chainNode<T>(sourceNode->element);\n\t\ttargetNode = targetNode->next;\n\t\tsourceNode = sourceNode->next;\n\t}\n\ttargetNode->next = NULL;\n}<\/code><\/pre>\n\n\n\n
\u6790\u6784\u51fd\u6570\u4e5f\u4e0d\u80fd\u7a7a\u5728\u90a3\u91cc\uff0c\u8981\u4e00\u4e2a\u4e00\u4e2a\u8282\u70b9\u7684\u5220\u5b8c<\/p>\n\n\n\n
template<class T>\nchain<T>::~chain() {\n\twhile (firstNode != NULL) {\n\t\tchainNode<T>* nextNode = firstNode->next;\/\/\u65b0\u5efa\u8282\u70b9\u6307\u9488\u6307\u5411\u4e0b\u4e00\u4e2a\u8282\u70b9\n\t\tdelete firstNode;\n\t\tfirstNode = nextNode;\n\t}\n} <\/code><\/pre>\n\n\n\n
\u6709\u4e00\u4e2a\u68c0\u67e5\u51fd\u6570\uff0c\u770b\u770b\u7d22\u5f15\u5728\u4e0d\u5728\u8303\u56f4\u5185<\/p>\n\n\n\n
template<class T>\nvoid chain<T>::checkIndex(int theIndex) const {\n\tint a = 1;\n\tif (theIndex < 0 || theIndex >= listSize) {\n\t\ta = 0;\n\t}\n\tassert(a==1);\n}<\/code><\/pre>\n\n\n\n
\u4e4b\u540e\u662f\u8fd4\u56de\u6307\u5b9a\u7d22\u5f15theIndex\u7684\u5143\u7d20\uff0c\u5b9e\u8d28\u4e0a\u5c31\u662f\u987a\u7740\u6307\u9488\u5f80\u540e\u6570theIndex\u4e2a\uff0c\u53d6\u51fa\u8282\u70b9\u7684element\u503c\u3002\u6ce8\u610f\u51fd\u6570\u662f\u8fd4\u56de\u5f15\u7528\u3002<\/p>\n\n\n\n
template<class T>\nT& chain<T>::get(int theIndex) const {\n\tcheckIndex(theIndex);\n\n\tchainNode<T>* currentNode = firstNode;\n\tfor (int i = 0; i < theIndex; i++) \n\t\tcurrentNode = currentNode->next;\n\treturn currentNode->element;\n}<\/code><\/pre>\n\n\n\n
\u4e4b\u540e\u662f\u67e5\u627e\u67d0\u4e00\u5143\u7d20\uff0c\u8fd4\u56de\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u7d22\u5f15\uff1b\u6ca1\u5565\u96be\u70b9\uff0c\u4e3b\u8981\u662f\u8981\u8003\u8651\u5230\u4e0d\u5b58\u5728\u7684\u60c5\u51b5<\/p>\n\n\n\n
template<class T>\nint chain<T>::indexOf(const T& theElement) const {\/\/\u82e5\u4e0d\u5b58\u5728\u8fd4\u56de-1\n\tchainNode<T>* currentNode = firstNode;\n\tint index = 0;\n\twhile (currentNode->element != theElement && currentNode != NULL) {\n\t\tcurrentNode = currentNode->next;\n\t\tindex++;\n\t}\n\tif (currentNode == NULL)\n\t\treturn -1;\n\telse\n\t\treturn index;\n}<\/code><\/pre>\n\n\n\n
\u4e4b\u540e\u662f\u5bf9\u94fe\u8868\u7684\u4fee\u6539\uff0c\u5305\u62ec\u63d2\u5165\u5143\u7d20\u548c\u5220\u9664\u5143\u7d20\u3002<\/p>\n\n\n\n
template<class T>\nvoid chain<T>::insert(int theIndex, const T& theElement) {\n\tif (theIndex < 0 || theIndex>listSize) {\n\t\tcout << \"\u8d85\u51fa\u8303\u56f4\" << endl;\n\t}\n\tif (theIndex == 0) {\n\t\tfirstNode = new chainNode<T>(theElement, firstNode);\n\t}\n\telse {\n\t\tchainNode<T>* p = firstNode;\n\t\tfor (int i = 0; i < theIndex-1; i++) {\n\t\t\tp = p->next;\n\t\t}\n\t\tchainNode<T>* t = new chainNode<T>(theElement, p->next);\/\/\u8fd9\u53e5\u597d\u5999\u554a\uff0c\u4ece\u53f3\u5411\u5de6\u6267\u884c\uff0c\u5148\u65b0\u5efa\u4e86\u8282\u70b9\uff0cnext\u6307\u9488\u6307\u5411p->next\uff0c\u7136\u540e\u518d\u628ap->next\u6307\u5411\u8fd9\u4e2a\u65b0\u8282\u70b9\uff0c\u8981\u6211\u5199\u80af\u5b9a\u8981\u5199\u4e2atemp\u4e2d\u8f6c\u4e00\u4e0b\n\t\tp->next = t;\n\t}\n\tlistSize++;\/\/\u4e0d\u8981\u5fd8\u4e86\u4fee\u6539listSize\n}<\/code><\/pre>\n\n\n\n
template<class T>\nvoid chain<T>::erase(int theIndex) {\n\tcheckIndex(theIndex);\n\tchainNode<T>* deleteNode;\n\tif (theIndex == 0) {\n\t\tdeleteNode = firstNode;\n\t\tfirstNode = firstNode->next;\n\t}\n\telse {\n\t\tchainNode<T>* p = firstNode;\n\t\tfor (int i = 0; i < theIndex-1; i++)\n\t\t\tp = p->next;\n\t\tdeleteNode = p->next;\n\t\tp->next = p->next->next;\n\t}\n\tlistSize--;\n\tdelete deleteNode;\n}<\/code><\/pre>\n\n\n\n
\u6700\u540e\u662f\u8f93\u51fa\u94fe\u8868\u6bcf\u4e2a\u5143\u7d20<\/p>\n\n\n\n
template<class T>\nvoid chain<T>::output() const {\n\tfor (chainNode<T>* currentNode = firstNode;\n\t\tcurrentNode != NULL;\n\t\tcurrentNode = currentNode->next)\n\t\tcout << currentNode->element << \" \";\n\tcout << endl;\n}\n<\/code><\/pre>\n\n\n\n
\u5728main\u51fd\u6570\u91cc\u6d4b\u8bd5\u4e00\u4e0b<\/p>\n\n\n\n
#include <iostream>\n#include \"shuzu.h\"\n#include \"shuzu.cpp\"\nusing namespace std;\nint main()\n{\n\tchain<int> *a = new chain<int>;\n\tfor (int i = 0; i < 10; i++) {\n\t\ta->insert(i, i);\n\t}\n\tcout << a->size() << endl;;\n\ta->erase(2);\n\ta->output();\n\tcout << a->get(3) << endl;;\n\tcout<<a->indexOf(4)<<endl;\n}<\/code><\/pre>\n\n\n\n
\"\"
\u7ed3\u679c\u6ca1\u6709\u95ee\u9898<\/figcaption><\/figure>\n\n\n\n
\u6700\u540e\u89c9\u5f97\u8fd9\u4e2a\u5faa\u73af\u63d2\u5165\u6d6a\u8d39\u6027\u80fd\u4e86\uff0c\u53ef\u4ee5\u518d\u5199\u4e00\u4e2a\u6784\u9020\u51fd\u6570\u4f7f\u7528\u6570\u7ec4\u8d4b\u503c<\/p>\n\n\n\n
\/*----------\u94fe\u8868\u6784\u9020\u51fd\u6570\uff08\u6570\u7ec4\uff09-----------------*\/\ntemplate<class T>\nchain<T>::chain(const T *array,int length) {\n\tfirstNode = new chainNode<T>(array[0], NULL);\n\tchainNode<T>* c = firstNode;\n\tfor (int i = 1; i < length; i++) {\n\t\tc->next = new chainNode<T>(array[i], NULL);\n\t\tc = c->next;\n\t}\n\tlistSize = length;\n}\n\/*-------------main.cpp-----------------*\/\n#include <iostream>\n#include \"shuzu.h\"\n#include \"shuzu.cpp\"\nusing namespace std;\nint main()\n{\n\tint* ar = new int[5]{ 1,2,3,4,5 };\n\tchain<int> *a = new chain<int>(ar,5);\n\tcout << a->size() << endl;;\n\ta->output();\n\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
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