Int arr to char

#include<iostream>
#include<string>
using namespace std;
char numChar(int n)
{
    switch(n)
    {
        case 0:
            return '0';
        case 1:
            return '1';
        case 2:
            return '2';
        case 3:
            return '3';
        case 4:
            return '4';
        case 5:
            return '5';
        case 6:
            return '6';
        case 7:
            return '7';
        case 8:
            return '8';
        case 9:
            return '9';
    }
}
int main()
{
    int n,i;
    char digs[100][100];
    cout<<"Enter the number of elements in the integer array:";
    cin>>n;
    int *arr=new int[n];
    cout<<"Enter the elements:";
    for(i=0;i<n;i++)
        cin>>arr[i];
    for(i=0;i<n;i++)
    {
        int temp=arr[i],j=0;
        while(temp>0)
        {
            int dig=temp%10;
            digs[i][j++]=numChar(dig);
            temp/=10;
        }
        for(int k=0;k<--j;k++)
        {
            char tempChar=digs[i][k];
            digs[i][k]=digs[i][j];
            digs[i][j]=tempChar;
            k++;
            j--;
        }
    }
    for(i=0;i<n;i++)
        cout<<digs[i];
    return 0;
}