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,

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.