Modulo - Wikipedia

This article is about the binary operation mod(a,n). For the (mod n) notation, see Modular arithmetic. For other uses, see Modulo (disambiguation). In computing, the modulo operation returns the remainder or signed remainder of a division, after one number is divided by another (called the modulus of the operation). Given two positive numbers a and n, a modulo n (often abbreviated as a mod n) is t

[ganaware]

負の数の除算時の余りの符号がどうなるのかたまに悩むのですが、Wikipediaに纏まっていました。僕の使用頻度が比較的高いC++,C#,Rubyそれぞれで仕様が異なるので気をつけないと。

[mima3]

剰余まとめ