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Merge pull requestneetcode-gh#250 from sharansalian/main

Kotlin Two-Sum with Test Case

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	`1`	`+packagekotlin`
	`2`	`+`
	`3`	`+classSolution {`
	`4`	`+funtwoSum(nums:IntArray,target:Int):IntArray {`
	`5`	`+val prevMap:HashMap<Int,Int>=HashMap()`
	`6`	`+for (iin nums.indices) {`
	`7`	`+val num= nums[i]`
	`8`	`+val diff= target- num`
	`9`	`+if (prevMap.containsKey(diff)) {`
	`10`	`+return intArrayOf(prevMap[diff]!!, i)`
	`11`	`+ }`
	`12`	`+ prevMap[num]= i`
	`13`	`+ }`
	`14`	`+return intArrayOf()`
	`15`	`+ }`
	`16`	`+}`
	`17`	`+`
	`18`	`+funmain() {`
	`19`	`+val result=Solution().twoSum(intArrayOf(2,7,11,15),9)`
	`20`	`+println(result.contentToString())`
	`21`	`+}`

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