[c++]delete char and display the remaining words

#include <iostream>
using namespace std;
int main()
{
char str[20],deletechar,reStr[20]="";
cout<<"Enter String:\n";
cin>>str;

cout<<"Enter Character which you want to delete:\n";
cin>>deletechar;
//write your logic here

for(int index = 0, str_index = 0; index < 20; index++)
{
if(str[index] != deletechar)
{
reStr[str_index] = str[index];
str_index++;
}
}

//end
cout<<"Result String is:\n";
cout<<reStr;


return 0;
}