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Create 1498-number-of-subsequences-that-satisfy-the-given-sum-condition.kt

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	`1`	`+classSolution {`
	`2`	`+funnumSubseq(nums:IntArray,target:Int):Int {`
	`3`	`+ nums.sort()`
	`4`	`+val mod=1000000000+7`
	`5`	`+`
	`6`	`+val pow=IntArray(nums.size)`
	`7`	`+ pow[0]=1`
	`8`	`+for (iin0 until nums.size-1)`
	`9`	`+ pow[i+1]= pow[i]*2% mod`
	`10`	`+`
	`11`	`+var left=0`
	`12`	`+var right= nums.lastIndex`
	`13`	`+var res=0`
	`14`	`+while (left<= right) {`
	`15`	`+if (nums[left]+ nums[right]> target) {`
	`16`	`+ right--`
	`17`	`+ }else {`
	`18`	`+ res= (res+ pow[right- left])% mod`
	`19`	`+ left++`
	`20`	`+ }`
	`21`	`+ }`
	`22`	`+`
	`23`	`+return res`
	`24`	`+ }`
	`25`	`+}`

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