Program for calculate average of total marks:

#include

using namespace std;

void print(int marks_arr[],int cnt)

{

int ind[cnt];

int i=0;

int j=0;

int k=0;

int s=0;

for(k=0;k

{

ind[k]=0;

}

int cnt1=0;

for(i=0;i

{

ind[cnt1]=1;

for(j=i+1;j

{

//cout<

if((marks_arr[i]==marks_arr[j])&&(marks_arr[i]!=-1))

{

ind[cnt1]=ind[cnt1]+1;

marks_arr[j]=-1;

//if(marks_arr[j]==-1)

//{

//break;

//}

}

}

cnt1++;

}

for(s=0;s

{

if(marks_arr[s]!=-1)

{

cout<<"\n"<

}

}

}

int add()

{

int mark;

cout<<"Enter the mark:";

cin>> mark;

return mark;

}

float avg(int mark[],int c)

{

int i,sum=0;

float average;

for(i=0;i

{

sum= sum+mark[i];

}

average=sum/c;

return average;

}

int marks_arr[100];

int main()

{

static int count=0;

//int marks_arr[100],

int choice,i,ch,searchelement,totalcount;

float val;

do

{

cout<<"\n 1.Add marks";

cout<<"\n 2.Display marks";

cout<<"\n 3.Find average";

cout<<"\n 4. Search marks ";

cout<<"\n 5.Print";

cout<<"\nEnter choice : ";

cin>>choice;

switch(choice)

{

case 1:

{

marks_arr[count]=add();

count++;

break;

}

case 2:

{

for(i=0;i

{

cout<

}

break;

}

case 3:

{

val= avg(marks_arr,count);

cout<

break;

}

case 4:

{

cout<<"\n Enter the mark to search:";

cin>>searchelement;

totalcount=0;

for(i=0;i

{

if(marks_arr[i]==searchelement)

{

totalcount=totalcount+1;

}

}

cout<<"No of times the element is present : "<

break;

}

case 5:

{

print(marks_arr,count);

}

}

cout<<"\nContinue [0-yes / 1-no] :";

cin>>ch;

}while(ch!=1);

}