Nim-sum
= Nim-sum
{c}
The bitwise <exclusive or> of a list of nonnegative <integers>. For heap sizes in ordinary <Nim>, a zero nim-sum characterizes a <losing position> under the <normal-play convention>.
= Nim-sum
{c}
The bitwise <exclusive or> of a list of nonnegative <integers>. For heap sizes in ordinary <Nim>, a zero nim-sum characterizes a <losing position> under the <normal-play convention>.