摘要： 方法一：利用构造函数和静态数据成员[cpp]view plaincopy#include<iostream>usingnamespacestd;classTemp{public:Temp(){++N;Sum+=N;}staticvoidReset(){N=0;Sum=0;}staticintGetSum(){returnSum;}private:staticintN;staticintSum;};intTemp::N=0;intTemp::Sum=0;intsolution_Sum(intn){Temp::Reset();Temp*a=newTemp[n];delete[]a;a= 阅读全文