finish up the code: main() readArray (int&, char[]); displayArray(int, char[]);

Question

finish up the code:

main()
readArray (int&, char[]);
displayArray(int, char[]);
deleteElement(int&, char[], int);
insertElement(int&, char[], char, int);
int countOccurences(int, char[], char);

Here it is the started code: https://codeboard.io/projects/77845

2. Add the following function to the project: bool findElement(int, char[], char);
where the first 2 parameters represent the size of the array and the array of char-s, and the 3rd parameter represents the letter that is to be searched in the array. If found the function will return 'true' otherwise it will return 'false'.  

Explanation / Answer

#include <iostream>
//#include "MyArrayHeader.h"
using namespace std;
/*
Input: an array of chars and other data needed for
        op-s with array: position
Output: results of these op-s
*/
void readArray (int n, char arr[])
{
    cout << " Number of elem:";
    cin >> n;
    cout << "Input all elements:";
    for (int i =0; i < n; i++)
      cin >> arr[i];
   
}

void displayArray(int n, char arr[])
{
    for (int i =0; i < n ; i++)
      cout << arr[i] << " ";
    cout << endl;
}

void deleteElement(int n, char arr[], int p)
{
    int writer = 0, reader = 0;
    char b[n-1];
    while (arr[reader])
    {
        if (reader!=p)
        {
            b[writer++] = arr[reader];
        }

        reader++;   
    }

    //b[writer]=0;

}
void insertElement(int n, char arr[], char ch, int p)
{
    cout << " Element to insert: " << ch << endl;
    cout << " Position to insert: " << p << endl;
    for (int i=n-1; i >= p-1; i--)
      arr[i+1] = arr[i];
    arr[p -1] = ch;
    n++;
}
int countOccurences(int n, char arr[], char p)
{
   // char ch;
   int j=0;
    cout << "enter the element to get its occurence" << p <<endl;
    for(int i=0;i<n;i++)
    {
        if(arr[i]=='p')
        {
            j++;
        }
    }
return j;
}

bool findElement(int n, char arr[], char p)
{
   // char ch;
   bool flag=false;
    cout << "enter the element to be searched" << p <<endl;
    for(int i=0;i<n;i++)
    {
        if(arr[i]=='p')
        {
            flag=true;
        }
    }
return flag;
}
int main()
{
    int pos, n;
    char p;
    char initials[20],elIns;

    readArray(n,initials);
    cout << " The initial array is:" << endl;
    displayArray(n, initials);

    cout << "Insert element on place. Give initial and position: ";
    cin >> elIns;
    cin >> pos;

    insertElement(n, initials, elIns, pos);
    cout << " The array after insertion is:" << endl;
    displayArray(n, initials);

    cout << "Give position to delete: ";
    cin >> pos;
    deleteElement(n, initials, pos);
    cout << " The array after deletion is:" << endl;
    displayArray(n, initials);

    cout << "Give char to get its occurence: ";
    cin >> p;
    int col1;
    col1=countOccurences(n, initials, p);
    cout << col1<<endl;
  
    cout << "Give char to check: ";
    cin >> p;
    bool col2;
    col2=findElement(n,initials,p);
    if(col2==true)
    {
        cout<<"True"<<endl;
    }
    else
    {
        cout<<"False"<<endl;
    }

    // call the last fc: countOccurences(...)

    return 0;
}

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