W weight ton; winter mark for load line; won.

重量吨；（船舶）冬季装载线标记；（韩国）元。

youdao

The next line says if the weight of i is greater than a w, well then I know I can't put it in.

下一行说的是,如果i的重量比a，w大，好吧，我知道我不能把它放进去。

麻省理工公开课 - 计算机科学及编程导论课程节选

v The weight, w, and v, these are the two vectors we've seen here.

重量是w和价值，这是我们看过的向量的两个值。

麻省理工公开课 - 计算机科学及编程导论课程节选

a w And the amount of weight available, a w, for available weight.

合适的重量的个数是，也就是available，weight的简写。

麻省理工公开课 - 计算机科学及编程导论课程节选