This repository was archived by the owner on Jul 24, 2023. It is now read-only.

Commit 26391ac

author

cd155

committed

add 1.9 thought

1 parent bab256a commit 26391acCopy full SHA for 26391ac

File tree

+18

-1

lines changed

+18

-1

lines changed

Lines changed: 18 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -152,4 +152,21 @@ compreStrHelper [] holder = head holder: show (length holder)`
`152`	`152`	`compreStrHelper (x:xs) holder`
`153`	`153`	`\| null holder = compreStrHelper xs [x]`
`154`	`154`	`\| head holder == x = compreStrHelper xs (x:holder)`
`155`		`- \| otherwise = head holder: show (length holder) ++ compreStrHelper xs [x]`
	`155`	`+ \| otherwise =`
	`156`	`+ head holder: show (length holder) ++ compreStrHelper xs [x]`
	`157`	`+`
	`158`	`+{-`
	`159`	`+ 1.9`
	`160`	`+ Assume you have a method isSubstring which checks if one`
	`161`	`+ word is a substring of another. Given two strings, sl and`
	`162`	`+ s2, write code to check if s2 is a rotation of sl using`
	`163`	`+ only one call to isSubstring (e.g.,"waterbottle" is a`
	`164`	`+ rotation of"erbottlewat").`
	`165`	`+`
	`166`	`+ s1 = xy = waterbottle`
	`167`	`+ x = wat`
	`168`	`+ y = erbottle`
	`169`	`+ s2 = xy = erbottlewat`
	`170`	`+`
	`171`	`+ what about xyxy?`
	`172`	`+-}`

Comments

(0)