求指导 3q very much!

求指导 3q very much!错误:'setaccount::setaccount' :overloaded member function 'void (int,int,double)' not found in 'setaccount'.我是声明头文件吧#ifndef setaccount_h#define setaccount_hclass setaccount{public:setaccount(int nid,int npsw,double nbalance);.private:.};#endif.我是cpp#include "setaccount.h"#include using namespace std;setaccount::setaccount(int nid,int npsw,double nbalance){ID=nid;psw=npsw;balance=nbalance;}