Algorithms are precise, unambiguous and mechanical by definition. To know for sure that an algorithm is correct for a given task, one has to prove it. Of course there is no single proof for all algorithms, but one has to prove the correctness of each algorithm separately.
Algorithms are precise, unambiguous and mechanical by definition. To know for sure that an algorithm is correct for a given task, one has to prove it. Of course there is no single proof for all algorithms, but one has to prove the correctness of each algorithm separately.