Final answer:
The algorithm provided does not allow for the calculation of c based on the given information. The options a) 1, b) 2, c) 3, d) 4 are not applicable in this case.
Step-by-step explanation:
The algorithm stated in the question does not provide any specific steps to determine the value of c.
Therefore, it is not possible to give a proper value for c based on the given information.
The options a) 1, b) 2, c) 3, d) 4 are not applicable in this case.