title: How to make n nested for loop in C or Objective C
body: <p>How to do something like this </p>
  
  <pre><code>for(int a = 0; a&lt;2; a++){
          for(int b = 0; b&lt;2; b++){
              for(int c = 0; c&lt;2; c++){
                  for(int d = 0; d&lt;2; d++){
  
                      n[a+b+c+d]=x[a]*y[b]*z[c]...
  }}}}
  </code></pre>
  
  <p>But i have x [n]...</p>