golang刷leetcode 技巧（22）和为s的连续正数序列、和为s的两个数字

func findContinuousSequence(target int) [][]int {
   small:=1
   big:=2
   var r [][]int
   for small<big {
      sum:=(small+big)*(big-small+1)/2
      if sum<target {
          big++
      }else if sum>target {
          small++
      }else{
          var row []int
          for i:=small;i<=big;i++{
              row=append(row,i)
          }
          small++
          big++
          r=append(r,row)
      }
   }
   return r
}

func twoSum(nums []int, target int) []int {
   lo:=0
   hi:=len(nums)-1
   var r []int
   for lo<hi{
     if nums[lo]+nums[hi]>target{
         hi--
     }else if nums[lo]+nums[hi]<target{
         lo++
     }else{
         r=append(r,nums[lo])
         r=append(r,nums[hi])
         return r
     }
   }
   return r
}