73 lines
1.8 KiB
Go
73 lines
1.8 KiB
Go
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/*
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* @Author : huangZJ
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* @Time : 2021/6/15 11:20
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* @Description：将一个数拆分成其他N个数，这N个数相加的结果等于这个数
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*/
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package splitNumToN
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import "Go-Tool/util/rand"
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type Splitter struct {
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NumCount int //拆分成随机数的数量
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Num int //被拆分的总数
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MinValue int //被拆分的最小值
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MaxValue int //被拆分的最大值
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SplitNumList []int //存放拆解之后的结果
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}
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func NewSplitter(numCount, num int) *Splitter {
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//给定默认的限制的最大最小值
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splitter := &Splitter{
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NumCount: numCount,
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Num: num,
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MinValue: 1,
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MaxValue: 6,
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SplitNumList: make([]int, 0),
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}
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//校验数值是否满足
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splitter.checkValue()
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return splitter
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}
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func (splitter *Splitter) checkValue() {
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if splitter.MinValue*splitter.NumCount > splitter.Num {
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panic("被拆分的数值过小")
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}
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if splitter.MaxValue*splitter.NumCount < splitter.Num {
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panic("被拆分的数值过大")
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}
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}
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//将一个数拆成N个，并且保证N个数相加值等于被拆分的这个数
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func (splitter *Splitter) SplitNumToN() {
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var count int
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for i := 0; i < splitter.NumCount-1; i++ {
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randNum := splitter.getRandValue(splitter.Num-count, splitter.NumCount-1-i)
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splitter.SplitNumList = append(splitter.SplitNumList, randNum)
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count = count + randNum
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}
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splitter.SplitNumList = append(splitter.SplitNumList, splitter.Num-count)
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}
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func (splitter *Splitter) GetRandNumList() []int {
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return splitter.SplitNumList
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}
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//num 被随机的数
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//count count + 1 = 总随机数数量
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func (splitter *Splitter) getRandValue(num int, count int) int {
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minValue := num - splitter.MaxValue*count
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if minValue <= 0 {
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minValue = splitter.MinValue
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}
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maxValue := num - count*1
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if maxValue > splitter.MaxValue {
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maxValue = splitter.MaxValue
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}
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return rand.GetRandInt(minValue, maxValue)
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}
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