Commitf02c591

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Create 0705-design-hashset.kt

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	`1`	`+classMyHashSet() {`
	`2`	`+`
	`3`	`+classLN(valvalue:Int) {`
	`4`	`+var next:LN?=null`
	`5`	`+ }`
	`6`	`+`
	`7`	`+val set=Array (10000) {LN(0) }`
	`8`	`+`
	`9`	`+funadd(key:Int) {`
	`10`	`+var cur= set[hash(key)]`
	`11`	`+while (cur?.next!=null) {`
	`12`	`+if (cur?.next?.value== key)`
	`13`	`+return`
	`14`	`+ cur= cur?.next!!`
	`15`	`+ }`
	`16`	`+ cur.next=LN(key)`
	`17`	`+ }`
	`18`	`+`
	`19`	`+funremove(key:Int) {`
	`20`	`+var cur= set[hash(key)]`
	`21`	`+while (cur?.next!=null) {`
	`22`	`+if (cur?.next?.value== key) {`
	`23`	`+ cur?.next= cur?.next?.next`
	`24`	`+return`
	`25`	`+ }`
	`26`	`+ cur= cur?.next!!`
	`27`	`+ }`
	`28`	`+ }`
	`29`	`+`
	`30`	`+funcontains(key:Int):Boolean {`
	`31`	`+var cur= set[hash(key)]`
	`32`	`+while (cur?.next!=null) {`
	`33`	`+if (cur?.next?.value== key) {`
	`34`	`+returntrue`
	`35`	`+ }`
	`36`	`+ cur= cur?.next!!`
	`37`	`+ }`
	`38`	`+returnfalse`
	`39`	`+ }`
	`40`	`+`
	`41`	`+privatefunhash(key:Int)= key% set.size`
	`42`	`+`
	`43`	`+}`

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