ios – 关于控制流实验的Swift编程语言手册章节

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我正在完成本书的第一章,无法弄清楚实验:

Add another variable to keep track of which kind of number was the
largest,as well as what that largest number was.

这是本书的代码

  1. let interstingNumbers = [
  2. "Prime": [2,3,5,7,11,13,17],"Fibonacci": [1,1,2,8],"Square": [1,4,9,16,25,36],]
  3. var largest = 0
  4. for (kind,numbers) in interstingNumbers {
  5. for number in numbers {
  6. if number > largest {
  7. largest = number
  8. }
  9. }
  10. }
  11. largest

解决方法

所以基本上你想要在将数字放入最大值的同时将其放在某处,例如变成一个名为largestKind的变量.

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