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template <typename T> class Vector { //向量模板类
public:
// 构造函数
Vector ( int c = DEFAULT_CAPACITY, int s = 0, T v = 0 ) //容量为c、规模为s、所有元素初始为v
{ _elem = new T[_capacity = c]; for ( _size = 0; _size < s; _elem[_size++] = v ); } //s<=c
}
class Queen{
public:
int x, y;
Queen(int xx, int yy) :x(xx), y(yy){}
};
int main(){
Vector<Queen> solu;
cout << solu.size() << endl;
return 0;
}