int mystrlen(int x[]){
  int k,count=0;
  for(k=0;x[k];k++){
    count=count+1;
  }
  return count;
}

/* original
int mystrlen(char x[]){
  int k,count=0;
  for(k=0;x[k];k++){
    count=count+1;
  }
  return count;
}
*/
