The space complexity of this algorithm is O(n).

The time complexity of this algorithm is O(n).

He is an expert in computer science.

Computational geometry is an important field of computer science.

Excuse me, may I come in?

He is an expert in computational linguistics and is involved in the development of artificial intelligence.

He thought he was smart, but he remembered the proverb 'a fool may give a wise man council', and understood the importance of listening to others' opinions.