<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def C_array2dict(C):
 """Convert a 1D array containing C values to a dictionary."""

    d = OrderedDict()
    i=0
    for k in C_keys:
        s = C_keys_shape[k]
        if s == 1:
            j = i+1
            d[k] = C[i]
        else:
            j = i \
      + reduce(operator.mul, s, 1)
            d[k] = C[i:j].reshape(s)
        i = j
    return d