What is the difference between sorting and topological バーバリー コート
At an abstract level they are connected: As Saeed and Stefan say, it's the difference between a total order and a partial order. That is a fantastically concise description, but sometimes not helpful when you're learning.
A total order means that, in the absence of repeats, when you sort something, you're going to get one unique proper answer. If you sort 3, 6, 2 in ascending order, you had better get one answer: 2, 3, 6.
A partial order is a little looser エルメス 時計. The canonical example is the order in which you put your clothes on: You could put your shorts, then your pants, then your socks, then your shoes. That's a valid order バーバリー バッグ. Or you could do shorts, socks, pants, shoes. But intuitively, you can't do shorts, pants, shoes, socks グッチ 財布 メンズ. It doesn't make sense to put the socks on after the shoes バーバリー 時計.
To formalize that dressing example, you usually show a dependency graph with actions ("put on shoes" as nodes プラダ 財布, and directed arcs showing what node must precede what other nodes. A topological sort is an ordering of all nodes in a graph like that which respects the arcs. Meaning ポールスミス 店舗, if there's an arc from socks to shoes, then socks better be before shoes in the order.
So again paul smith, at an abstract level, they're connected. But they are absolutely NOT the same thing.
If a total order is available every object can be compared with every object. In this case you can sort wrt. that order. Examples are the integers wrt. > (or
If only a partial order is available, not every object can be compared with every other object. Only a relation between certain objects is available. An example are dependencies between compilation units グッチ 長財布. by compiling units which depend on some other unit after these units) バーバリー. orderings) are possible: If A depends on B and there is some other unit C, possible compilation sequences are B,A,C and C,A,B (every sequence where A is compiled before .
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