Why can't I print Len?, Segmentation Fault

Question

#include <iostream>
#include <string>

using namespace std;

   int main()
   {
    int Len;
    Len=0;
    int size;
    char Word;
    char arr[size] = {Word};
    cout<<"Enter the size of your array"<<endl;
    cin>>size;
    cout<<"Please enter your string"<<endl;
    cin>>Word;
    for(int i=0; i<size; i++)
    {
        Len+=1;
        for(int x=1;x<size;x++)
        {
            if (i>=x)
            {
                if(arr[i]=arr[i-x])
                {
                    Len-=1;
                }
                else
                    continue;
            }
            else
               break;
        }
    }
    cout<<Len<<endl;
}

Answer 1

Hi,

At first you have to initialize the variable size, later you have to assign value to char array arr.

Else system wont be knowing the size of Char array.