Hello everyone,

When writing algorithms operating on sequences, we need to be precise with how we deal with bounds.

For instance, in C, we usually write loops such as:

  for (i = 0; i < n; i++) { ... }   // exclusive bound

But in other language, we'd write.

   for i = 0 to n - 1   // inclusive bound

Similarly, let say we write a binary search function binary_search(arr, i, j), we need to to decide whether j is included or not.

How do you decide which version to use? Do you try to be consistent or do you decide depending on the problem?