class CAnalyzeDlg : public CResizingDialog { // Construction public: CString GetStepInfo(int iStep, const vector <int> & Status, const vector <char> & Symbol, CString sInput, Pair Action, int Goto); CAnalyzeDlg(CWnd* pParent = NULL); // standard constructor ~CAnalyzeDlg(); void SetGrammar(const Grammar & g); // Dialog Data //{{AFX_DATA(CAnalyzeDlg) enum { IDD = IDD_DIALOG2 }; CEdit m_edit1; CExplorer1 m_web; CString m_input; //}}AFX_DATA // Overrides // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAnalyzeDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: Grammar m_g; CTreeDlg * m_pTree; string m_strTempFilename; // Generated message map functions //{{AFX_MSG(CAnalyzeDlg) virtual void OnOK(); virtual void OnCancel(); afx_msg void OnButton1(); virtual BOOL OnInitDialog(); afx_msg void OnButton2(); afx_msg void OnActivate(UINT nState, CWnd* pWndOther, BOOL bMinimized); //}}AFX_MSG DECLARE_MESSAGE_MAP() private: void MakeTree(); stack <int> TreeStack; };代码详细介绍

对该段代码进行详细介绍CString CAnalyzeDlg::GetStepInfo(int iStep, const vector<int> & Status, const vector<char> & Symbol, CString sInput, Pair Action, int Goto) { CString rtn; rtn.Format(" %d \n",iStep); CString t2 = ""; CString t; int nCount = 0; for (int i = 0; i < Status.size(); i++) { if (nCount % 2) t.Format("%d", Status[i]); else t.Format("%d", Status[i]); t2 += t; nCount++; } rtn = rtn + " " + t2 + " \n "; t2 = ""; for(i = 0; i < Symbol.size(); i++) { t.Format("%c", Symbol[i]); t2 += t; } rtn = rtn + t2 + " \n"; rtn = rtn + " " + sInput + " \n"; if (Action.one != 'a') t2.Format("%c%d", Action.one, Action.two); else t2 = "acc"; rtn = rtn + " " + t2 + " \n"; if (Goto == -1) rtn += " \n"; else { t2.Format(" %d \n", Goto); rtn += t2; } rtn += "\n"; return rtn; }

这是一个 MFC 对话框类 CAnalyzeDlg 的成员函数，用于获取分析表的某一步信息，并返回一个 CString 对象。参数列表中： - iStep 表示步骤号； - Status 是一个整型向量，表示状态集合； - Symbol 是一个字符向量，...

std::vector<cstring>转为std::vector<int>

可以使用std::transform函数将std::vector<cstring>转换为std::vector<int>。需要注意的是，需要将字符串先转为整数再存入新的vector中，例如使用std::stoi函数。示例代码如下： c++ #include <iostream> #...

MFC将std::vector<CString>转为std::vector<int>

在MFC中，可以使用循环遍历std::vector<CString>，并将每个字符串转换为int类型，然后将其添加到std::vector<int>中。可以使用CString类的ToInt()函数将CString转换为int类型。以下是一个示例代码： std::...

#include <iostream> #include <cstdio> #include <cstring> using namespace std; class STRING{ char* pstr; public: STRING(const char* s="");//已实现 ~STRING();//已实现 friend istream& operator>>(istream& in, STRING& s); friend ostream& operator<<(ostream& os, const STRING& s); }; int main() { STRING s; cin >> s; cout << s << endl; return 0; } /* 请在这里填写答案，，你只需要实现输入输出运算符(>>、<<)的重载即可 */

#include <cstring> using namespace std; class STRING{ char* pstr; public: STRING(const char* s=""); ~STRING(); friend istream& operator>>(istream& in, STRING& s); friend ostream& operator<<...

参照我的上一个问题，试定义一个CString的子类CString2（可对CString声明做少量调整）,CString2声明如下： class CString2 :public CString { public: CString2(); //构造函数 CString2(const char s[]); //构造函数 CString2(CString2& t); //拷贝构造函数 CString2 &Cat(CString2&t); //字符串连接 int Cmp(CString2& t); //字符串比较 }; 在如下主函数中对该类进行测试。 int main() { char s0[100], s1[100]; cin >> s0 >> s1; CString2 cs0(s0),cs1(cs0); cs0.Set(s1); cout << cs0.Cmp(cs1) << endl; CString2 &t=cs0.Cat(cs1); t.Print(); return 0; } 输入输出示意如下： ASDF BSDF 1 BSDFASDF 请在答题窗口录入编写的完整程序。

#include<iostream> #include<cstring> using namespace std; class CString { private: char* str; public: CString(); CString(const char s[]); CString(CString& t); ~CString(); void Set(const char ...

将此文件改为多文件#include<iostream> #include<string.h> using namespace std; class CSTRING { private: char* p; public: CSTRING() { int len = 0; p = new char[len + 1]; p[0] = '\0'; } CSTRING(const char* str) { int len = strlen(str); p = new char[len + 1]; strcpy(p, str); } CSTRING(const CSTRING& str) { int len = strlen(str.p); p = new char[len + 1]; strcpy(p, str.p); } CSTRING operator+=( CSTRING& s) { char* str = new char[strlen(p) + strlen(s.p) + 3]; str[0] = '\0'; strcat(str, p); strcat(str, "--"); strcat(str, s.p); delete[]p; p = str; return this; } friend ostream& operator<<(ostream& out, CSTRING& str); friend istream& operator>>(istream& in, CSTRING& str); int operator>(const CSTRING& str); }; ostream& operator<<(ostream& out, CSTRING& str) { out << str.p; return out; } istream& operator>>(istream& in, CSTRING& str) { in >> str.p; return in; } int CSTRING:: operator>(const CSTRING& str) { if (strcmp(p, str.p)>0){ return 1; }else {return 0; } } int main() { int n, i, j; while (cin >> n) { CSTRING c = new CSTRING[n + 2]; for (i = 0; i < n; i++) { cin >> c[i]; } for (i = 0; i < n - 1; i++) for (j = 0; j < n - i - 1; j++) if (c[j] > c[j + 1]) { c[n] = c[j]; c[j] = c[j + 1]; c[j + 1] = c[n]; } for (i = 0; i < n; i++) c[n + 1] += c[i]; cout << c[n + 1] << endl; delete[] c; } return 0; }

int operator>(const CSTRING& str); friend ostream& operator<<(ostream& out, CSTRING& str); friend istream& operator>>(istream& in, CSTRING& str); }; #endif CSTRING.cpp文件内容如下： c++ ...

#include <iostream> #include <cstring> using namespace std; class CSTRING { public: CSTRING() : ptr(nullptr), len(0) {} CSTRING(const char* str) { len = strlen(str); ptr = new char[len + 1]; strcpy(ptr, str); } CSTRING(const CSTRING& other) { len = other.len; ptr = new char[len + 1]; strcpy(ptr, other.ptr); } ~CSTRING() { if (ptr != nullptr) { delete[] ptr; ptr = nullptr; } } CSTRING& operator=(const CSTRING& rhs) { if (this != &rhs) { if (ptr != nullptr) { delete[] ptr; } len = rhs.len; ptr = new char[len + 1]; strcpy(ptr, rhs.ptr); } return this; } CSTRING operator+(const CSTRING& rhs) const { CSTRING result; result.len = len + rhs.len; result.ptr = new char[result.len + 1]; strcpy(result.ptr, ptr); strcat(result.ptr, rhs.ptr); return result; } CSTRING& operator+=(const CSTRING& rhs) { len += rhs.len; char temp = new char[len + 1]; strcpy(temp, ptr); strcat(temp, rhs.ptr); delete[] ptr; ptr = temp; return this; } char& operator[](int index) { return ptr[index]; } void insert(const char str, int pos) { int str_len = strlen(str); char* temp = new char[len + str_len + 1]; strncpy(temp, ptr, pos); strcpy(temp + pos, str); strcpy(temp + pos + str_len, ptr + pos); delete[] ptr; ptr = temp; len += str_len; } bool operator>(const CSTRING& rhs) const { return strcmp(ptr, rhs.ptr) > 0; } friend ostream& operator<<(ostream& os, const CSTRING& str); friend istream& operator>>(istream& in, const CSTRING& str); private: char* ptr; int len; }; ostream& operator<<(ostream& os, const CSTRING& str) { os <<"--"<<str.ptr; return os; } istream& operator>>(istream& in, const CSTRING& str) { for (int i = 0; i < str.len ; i++) { cin>>str.ptr[i]; } return in; } int main() { int n, i, j; while (cin >> n) { CSTRING *c = new CSTRING[n + 2]; for (i = 0; i < n; i++) { cin >> c[i]; } for (i = 0; i < n - 1; i++) for (j = 0; j < n - i - 1; j++) if (c[j] > c[j + 1]) { c[n] = c[j]; c[j] = c[j + 1]; c[j + 1] = c[n]; } for (i = 0; i < n; i++) c[n + 1] += c[i]; cout << c[n + 1] << endl; delete[] c; } return 0; }帮我调整代码使其能输出--aaa--bbb--ccc

bool operator>(const CSTRING& rhs) const { return strcmp(ptr, rhs.ptr) > 0; } friend ostream& operator<<(ostream& os, const CSTRING& str); friend istream& operator>>(istream& in, CSTRING& str); ...

试定义一个字符串类CString,声明如下： class CString { char *str; //字符串 public: CString(); //构造函数 CString(const char s[]); //构造函数 CString(CString&t); //拷贝构造函数 ~CString(); int Set(const char s[]); //复制字符串 void Print(); //输出 }; 在如下主函数中对该类进行测试。 int main() { char s0[100], s1[100]; cin >> s0 >> s1; CString cs0(s0),cs1(cs0); cs0.Set(s1); cs0.Print(); cs1.Print(); return 0; } 输入输出示意如下： ASDF zxcv zxcvASDF

#include <cstring> using namespace std; class CString{ char *str; //字符串 public: CString(){ //构造函数 str = NULL; } CString(const char s[]){ //构造函数 str = new char[strlen(s)+1]; strcpy...

#include<iostream> #include<cstring> using namespace std; class CSTRING { private: char p; public: CSTRING() { p = NULL; } CSTRING(const char str) { p = new char[strlen(str) + 1]; strcpy(p, str); } CSTRING(const CSTRING &str) { p = new char[strlen(str.p) + 1]; strcpy(p, str.p); } ~CSTRING() { if (p != NULL) { delete[] p; } } bool operator > (const CSTRING &str) const { return strcmp(p, str.p) > 0; } CSTRING& operator += (const CSTRING &str) { char temp = new char[strlen(p) + strlen(str.p) + 1]; strcpy(temp, p); strcat(temp, str.p); if (p != NULL) { delete[] p; } p = temp; return this; } friend istream& operator >> (istream &in, CSTRING &str) { char temp[100]; in >> temp; str = CSTRING(temp); return in; } friend ostream& operator << (ostream &out, const CSTRING &str) { out << "--" << str.p << "--"; return out; } }; int main() { #ifdef _CRT_SECURE_NO_WARNINGS freopen("./in.txt", "r", stdin); freopen("./out.txt", "w", stdout); #endif int n,i,j; while(cin>>n) { CSTRING *c=new CSTRING[n+2]; for(i=0;i<n;i++) { cin>>c[i]; } for(i=0;i<n-1;i++) for(j=0;j<n-1-i;j++) if(c[j]>c[j+1]) { c[n]=c[j]; c[j]=c[j+1]; c[j+1]=c[n]; } for(i=0;i<n;i++) { c[n+1]+=c[i]; } cout<<c[n+1]<<endl; delete[] c; } return 0; }，优化一下这段代码

bool operator > (const CSTRING& s) const { return str > s.str; } CSTRING& operator += (const CSTRING& s) { str += s.str; return *this; } friend istream& operator >> (istream& in, CSTRING& s) {...

基于char* 设计一个字符串类MyString，具有构造函数、析构函数、复制构造函数。具体如下： MyString(); MyString(const char* cString); char at(int index) const; int length() const; void clear(); bool empty() const; int compare(const MyString& s) const; int compare(int index, int n, const MyString& s) const; void copy(char s[], int index , int n); char* data() const; int find(char ch) const ; int find(char ch ,int index) const; int find(const MyString& s, int index) const;

MyString(const char* cString); // 复制构造函数 MyString(const MyString& other); // 析构函数 ~MyString(); // 获取指定下标的字符 char at(int index) const; // 获取字符串的长度 int length() ...

#include<iostream> #include<cstring> using namespace std; class Country { private: char name[40],capital[40]; int population; public: Country( const char* cou=NULL,const char* cap="NONE",int pop=0 ); const char* GetName ( ) const; const char* GetCapital ( ) const; int GetPopulation ( ) const ; void Set( const char* cou="Russia",const char* cap="Moscow",int pop=143000000 ); void Show(); }; Country::Country( const char* cou,const char* cap,int pop ) { strcpy(name,cou); strcpy(capital,cap); population=pop; } const char* Country::GetName ( ) const { return name; } const char* Country::GetCapital ( ) const { return capital; } int Country::GetPopulation ( ) const { return population; } void Country::Set( const char* cou,const char* cap,int pop ) { strcpy(name,cou); strcpy(capital,cap); population=pop; } void Country::Show( ) { cout<<name<<"-"<<capital<<"-"<>name>>capital>>population; Country c2(name,capital,population); cout<<"Show object c2:"; cout<<c2.GetName()<<"-"<<c2.GetCapital()<<"-"<<c2.GetPopulation()<<endl; cin>>name>>capital>>population; cout<<"Reset and Show object c1:"; c1.Set(name,capital,population); c1.Show(); cout<<"Reset and Show object c2:"; c2.Set(); c2.Show(); return 0; }适当改进

cout << GetName() << "-" << GetCapital() << "-" << GetPopulation() << endl; } int main() { Country c1; cout << "Show object c1:"; c1.Show(); char name[40], capital[40], line[100]; int ...

#include<iostream> #include<cstring> using namespace std; class Country { private: char name[40],capital[40]; int population; public: Country( const char* cou=NULL,const char* cap="NONE",int pop=0 ); const char* GetName ( ) const; const char* GetCapital ( ) const; int GetPopulation ( ) const ; void Set( const char* cou="Russia",const char* cap="Moscow",int pop=143000000 ); void Show(); }; Country::Country( const char* cou,const char* cap,int pop ) { strcpy(name,cou); strcpy(capital,cap); population=pop; } const char* Country::GetName ( ) const { return name; } const char* Country::GetCapital ( ) const { return capital; } int Country::GetPopulation ( ) const { return population; } void Country::Set( const char* cou,const char* cap,int pop ) { strcpy(name,cou); strcpy(capital,cap); population=pop; } void Country::Show( ) { cout<<name<<"-"<<capital<<"-"<>name>>capital>>population; Country c2(name,capital,population); cout<<"Show object c2:"; cout<<c2.GetName()<<"-"<<c2.GetCapital()<<"-"<<c2.GetPopulation()<<endl; cin>>name>>capital>>population; cout<<"Reset and Show object c1:"; c1.Set(name,capital,population); c1.Show(); cout<<"Reset and Show object c2:"; c2.Set(); c2.Show(); return 0; }改进代码，不要修改主函数

cout << c1.GetName() << "-" << c1.GetCapital() << "-" << c1.GetPopulation() << endl; string name, capital; int population; cin >> name >> capital >> population; Country c2(name, capital, ...

基于char* 设计一个字符串类MyString，具有构造函数、析构函数、复制构造函数。具体如下： MyString(); MyString(const char* cString); char at(int index) const; int length() const; void clear(); bool empty() const; int compare(const MyString& s) const; int compare(int index, int n, const MyString& s) const; void copy(char s[], int index , int n); char* data() const; int find(char ch) const ; int find(char ch ,int index) const; int find(const MyString& s, int index) const; 另外，还有append、assign、substr、 erase函数，详见11.14和11.15要求。

MyString& append(const char* cString, int n); // 将指定字符串赋值给当前字符串 MyString& assign(const MyString& s); MyString& assign(const char* cString); MyString& assign(const char* cString, int...

一种改进的自适应短时傅里叶变方法-基于梯度下降算法运行环境为Jupyter Notebook，执行一种改进的自适应短时傅里叶变方法-基于梯度下降，附带参考算法可迁移至金融时间序列，地震微震信号

一种改进的自适应短时傅里叶变方法-基于梯度下降算法运行环境为Jupyter Notebook，执行一种改进的自适应短时傅里叶变方法-基于梯度下降，附带参考。算法可迁移至金融时间序列，地震微震信号，机械振动信号，声发射信号，电压电流信号，语音信号，声信号，生理信号（ECG,EEG,EMG）等信号。 sr = 1e4 t = torch.arange(0, 2.5, 1 sr) f = torch.sin(2*pi*t) * 1e2 + 1e2 * torch.ones_like(t) + 5e1 * t x = (torch.sin(torch.cumsum(f, dim=0) 2e2) + 0.1 *torch.randn(t.shape))[None, :] x += torch.sin(torch.cumsum(1e2*5 * torch.ones_like(t), dim=0) 2e2) x = x.to(device) print(x.shape) plt.plot(f)

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