#include <iostream>
using namespace std;

void remove(char*,char);

int main()
{
   char string1[] = "abagaadagaga";
   char string2[] = "abagaadagaga";
   char string3[] = "ccabbbb";

   remove(string1, 'a');
   cout << string1 << endl;

   remove(string2, 'g');
   cout << string2 << endl;

   remove(string3, 'a');
   cout << string3 << endl;

   return 0;
}

void remove(char* str, char ch)
{
   int i = 0, j = 0;
   while (str[j] != '\0') {
      while (str[j] != ch && str[j] != '\0')
         str[i++] = str[j++];
      while (str[j] == ch)
         j++;
   }
   str[i] = '\0';
}