Well, CProgramming.com is what I use, and it works fine. It has C/C++ tutorials. It actually teaches the language too. I suggest C first, because, well look at the diference:
Code:
#include <stdio.h>
int main()
{
  printf("Hello World!");
  getchar();
  return 0;
}
^^C
Compared to:
Code:
#include <iostream>

using namespace std;

int main()
{
  cout<<"Hello World!";
  cin.get();

  return 1;
}
^^C++
C is more, well, in ENGLISH. Try that first.