x.Hm want the destructor to delete the memory allocated for the \"groupname\" bu

Question

x.Hm want the destructor to delete the memory allocated for the "groupname" but I think I'm doing it wrong because I got some strange output when I execute the program. Pls can you fix it for me? thanks.

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#include<fstream>
#include<iostream>
#include<string>
#include<cstdlib>

#define GROUPMAX 50

using namespace std;

class Activities
{

    public:
        Activities();
        void setgroupNum(int num);
        void setgroupSize(int size);
        void setgroupTime(float time);
        void setgrouphfDay(char hfday);
        void setgroupMonth(int month);
        void setgroupDay(int day);
        void setgroupPurpose(char pose);
        void setgroupCost(float cost);
        void setgroupLength(int len);
        void setgroupName(char name[]);
        int getgroupNum();
        char * getgroupName();
        float getmeetTime();
        char gethalfDay();
        int getmeetMonth();
        int getmeetDay();
        char getgroupPurpose();
        int getgroupSize();
        float getgroupCost();
        int getmeetLength();
        ~Activities();

private:
        int groupnum;
        char *groupname;
        float meettime;
        char mthalfday;
        int nextmonth;
        int nextday;
        char purpose;
        int groupsize;
        float groupcost;
        int meetlength;
};
Activities::Activities()
{
        groupnum = 0;
        groupname = "";
        meettime = 0.0;
        mthalfday = '';
        nextmonth = 0;
        nextday = 0;
        purpose = '';
        groupsize = 0;
        groupcost = 0.0;
        meetlength = 0;
}

void Activities::setgroupNum(int num)
{
        groupnum = num;
}
void Activities::setgroupSize(int size)
{
        groupsize = size;
}
void Activities::setgroupTime(float time)
{
        meettime = time;
}
void Activities::setgrouphfDay(char hfday)
{
        mthalfday = hfday;
}
void Activities::setgroupMonth(int month)
{
        nextmonth = month;
}
void Activities::setgroupDay(int day)
{
        nextday = day;
}
void Activities::setgroupPurpose(char pose)
{
        purpose = pose;
}
void Activities::setgroupCost(float cost)
{
        groupcost = cost;
}
void Activities::setgroupLength(int len)
{
        meetlength = len;
}
void Activities::setgroupName(char name[])
{
        groupname = new char[strlen(name) + 1];
        strcpy(groupname, name);
}
int Activities::getgroupNum()
{
        return groupnum;
}
int Activities::getgroupSize()
{
        return groupsize;
}
int Activities::getmeetMonth()
{
        return nextmonth;
}
int Activities::getmeetDay()
{
        return nextday;
}
int Activities::getmeetLength()
{
        return meetlength;
}
float Activities::getmeetTime()
{
        return meettime;
}
float Activities::getgroupCost()
{
        return groupcost;
}
char Activities::gethalfDay()
{
        return mthalfday;
}
char Activities::getgroupPurpose()
{
        return purpose;
}
char * Activities::getgroupName()
{
        return groupname;
}
Activities::~Activities()
{
    delete groupname;
}
void printallinput(Activities fungroup[], int xindex);
void searchmeettime(Activities fungroup[], int xindex);
void bubblesortgroupnum(Activities fungroup[], int xindex);

int main(void)
{
        Activities TAorg[GROUPMAX];
        int i, index = 0, intro;
        int old, mnum, msize;
        int mmonth, mday, mlen;
        float mcost, mtime;
        const int MAX = 100;
        char mhalf, namestr[MAX];
        char mpose;
        int choose;
        int meettemp;
        cout << " Welcome to Campus Activities system; also known as CAS.";

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