题目内容
程序改错
class mml
{
private:
static unsigned int x;
public:
mml(){ x++; }
mml(static unsigned int &) {x++;}
~mml{x--;}
pulic:
virtual mon() {} = 0;
static unsigned int mmc(){return x;}
......
};
class nnl:public mml
{
private:
static unsigned int y;
public:
nnl(){ x++; }
nnl(static unsigned int &) {x++;}
~nnl{x--;}
public:
virtual mon() {};
static unsigned int nnc(){return y;}
......
};
代码片断:
mml* pp = new nnl;
..........
delete pp;
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