go语言 数组搜索三个数之和为一个目标值

package main

import (
    "fmt"
    "sort"
)

type IntSlice []int




func (c IntSlice) Len() int {
    return len(c)
}

func (c IntSlice) Swap(i,j int)  {
    c[i],c[j] = c[j],c[i]
}

func (c IntSlice) Less(i,j int)  bool{
    return c[i] < c[j]
}


func main() {
    array :=  IntSlice{10,2,9,20,-9,30,1,12,32,-1}

    target := 13
    sort.Sort(array)

    var result [][3]int


    for i:=0;i <len(array)-2 ;i++  {
        if(i>0 && array[i-1] == array[i]){continue}
        j := i+1
        k := len(array) - 1

        for j < k{
            if(array[i] + array[j] + array[k] > target){
                k--
                for array[k] == array[k+1] && jelse if(array[i] + array[j] + array[k] < target){
                j++
                for array[j] == array[j-1] && jelse{
                result = append(result, [3]int{array[i],array[j],array[k]})
                j++
                k--
                for array[k] == array[k+1] && jfor array[j] == array[j-1] && j