計算 けいさん複雑 ふくざつ せいじゃありませんでした
keisanno fukuzatsu seija arimasendeshita

Noun
Desu Copula

The polite, past negative form of 計算の複雑性

1. It wasn't computational complexity.; It wasn't about complexity of calculation.

Past/Perfective
Negative
Polite
Terminal Form
Computing