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Commite57885a

Browse files
committed
add new files
1 parent34590eb commite57885a

6 files changed

+145
-0
lines changed

‎14. Longest Common Prefix.go

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package main
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import"math"
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funclongestCommonPrefix(strs []string)string {
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iflen(strs)==0 {
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return""
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}
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minLen:=math.MaxInt32
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minStr:=""
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for_,v:=rangestrs {
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l:=len(v)
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ifl<minLen {
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minLen=l
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minStr=v
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}
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}
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long:=len(minStr)
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for_,v:=rangestrs {
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fori:=0;i<minLen;i++ {
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ifminStr[i:i+1]!=v[i:i+1] {
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long=int(math.Min(float64(long),float64(i)))
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}
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}
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}
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returnminStr[:long]
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}

‎15. 3Sum.go

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package main
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import"sort"
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functhreeSum(nums []int) [][]int {
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sort.Ints(nums)
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res:=make([][]int,0)
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f:=func(nums []int,beginint,endint,targetint) {
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forbegin<end {
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ifnums[begin]+nums[end]+target==0 {
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r:=make([]int,0)
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r=append(r,nums[begin],nums[end],target)
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res=append(res,r)
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forbegin<end&&nums[begin]==nums[begin+1] {
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begin++
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}
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forbegin<end&&nums[end]==nums[end-1] {
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end--
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}
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begin++
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end--
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}elseif (target+nums[begin]+nums[end])<0 {
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begin++
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}else {
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end--
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}
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}
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}
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l:=len(nums)
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fori:=0;i<l-2;i++ {
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ifi>0&&nums[i]==nums[i-1] {
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continue
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}
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f(nums,i+1,l-1,nums[i])
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}
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returnres
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}
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package main
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typeListNodestruct {
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Valint
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Next*ListNode
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}
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/**
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* 快慢指针
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*/
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funcremoveNthFromEnd(head*ListNode,nint)*ListNode {
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cur:=head
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last:=head
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fori:=0;i<n;i++ {
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ifcur.Next!=nil {
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cur=cur.Next
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}else {
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returnhead.Next
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}
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}
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forcur.Next!=nil {
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cur=cur.Next
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last=last.Next
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}
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last.Next=last.Next.Next
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returnhead
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}

‎21. Merge Two Sorted Lists.go

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package main
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typeListNodestruct {
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Valint
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Next*ListNode
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}
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funcmergeTwoLists(l1*ListNode,l2*ListNode)*ListNode {
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ifl1==nil {
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returnl2
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}
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ifl2==nil {
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returnl1
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}
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ifl1.Val<l2.Val {
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l1.Next=mergeTwoLists(l1.Next,l2)
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returnl1
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}else {
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l2.Next=mergeTwoLists(l1,l2.Next)
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returnl2
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}
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}
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package main
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funcremoveDuplicates(nums []int)int {
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fori,j:=0,1;i<j&&j<len(nums); {
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ifnums[j]==nums[i] {
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nums=append(nums[:i],nums[i+1:]...)
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j--
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i--
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}
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j++
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i++
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}
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returnlen(nums)
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}

‎27. Remove Element.go

Lines changed: 17 additions & 0 deletions
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package main
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funcremoveElement(nums []int,valint)int {
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ifnums==nil {
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return0
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}
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fori:=0;i<len(nums); {
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ifnums[i]==val {
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nums=append(nums[:i],nums[i+1:]...)
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i--
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}
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i++
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}
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returnlen(nums)
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}

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