#include <iostream>

using namespace std;

template <class T>

class SeqList { public:  SeqList(int maxSize = 100);  virtual ~SeqList();  int getLength() const {return length;}  SeqList & addElements(T t); //添加数据，返回this指针  void outputData();  //输出数据  void removeElementByPos(int pos);  //根据位置删除元素  bool removeBySelf(int pos, int number);  //从第pos个位置开始删除number个元素(pos从0计算) private:  int length;  int maxSize;  T* elements; };

template <class T> SeqList<T> :: SeqList(int maxSize) {  this->length = 0;  this->maxSize = maxSize;  this->elements = new T[maxSize]; }

template <class T> SeqList<T> :: ~SeqList() {  delete[] elements; }

template <class T>

SeqList<T> & SeqList<T> :: addElements(T t) {  if (this->length != maxSize)  {   elements[this->length] = t;   this->length++;  }

 return *this;

}

template <class T>

void SeqList<T> :: outputData() {  for (int i = 0; i < this->getLength(); i++)  {   if (i != this->length - 1)   {    cout << elements[i] << "--->";   }   else   {    cout << elements[i] << endl;   }  } }

template <class T>

void SeqList<T> :: removeElementByPos(int pos) {     if (pos >= 0 && pos < this->getLength())  {   for (int i = pos; i < this->getLength() - 1; i++)   {    elements[i] = elements[i+1];   }   this->length --;  }

}

template <class T>

bool SeqList<T> :: removeBySelf(int pos, int number) {  if (pos < 0 || pos > this->getLength() || pos + number > this->getLength())  {   return false;  }

 for (int i = 0; i < number; i++)

 {   removeElementByPos(pos);  }

 return true;

}

int main(int argc, char* argv[]) {  SeqList<int> seqList(100);  seqList.addElements(12).addElements(15).addElements(17).addElements(15).addElements(35);  seqList.outputData();

 cout << "请输入删除元素的开始位置:";

 int pos;  cin >> pos;  cout << "请输入删除元素的个数:";  int number;  cin >> number;

 if (seqList.removeBySelf(pos, number))

 {   cout << "删除元素后：";   seqList.outputData();  }  else  {   cout << "输入数据错误";  }

 return 0;

}