给定一组 区间,合并所有重叠的 区间。
例如:
> 给定:[1,3],[2,6],[8,10],[15,18]
> 返回:[1,6],[8,10],[15,18]
```go
/**
* 区间的定义如下:
* type Interval struct {
* Start int
* End int
* }
*/
func merge(intervals []Interval) []Interval {
}
```
```go
package main
import (
"fmt"
)
type Section struct {
Start int
End int
}
func main() {
a1 := []Section{{1, 3}, {2, 6}, {8, 10}, {15, 18}}
MergeSection(a1)
}
func MergeSection(s1 []Section) (s2 []Section, err error) {
// a2 := []Section{}
// 先对结构体排序
// 判断相邻数据
for i := 0; i < len(s1); i++ {
if i > 0 {
if s1[i-1].End >= s1[i].Start {
s1[i-1].End = s1[i].End
s2 = append(s2, s1[i-1])
} else {
s2 = append(s2, s1[i])
}
}
}
fmt.Println(s2)
return nil, nil
}
```
#3
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## (Interval-2.start_p)
| - | -1 | 0 | 1 |
| ------------- |:-------------:| -----:| -----:|
|-1 | 0 | - | -|
| 0 | switch-start | 0 | -|
| 1 | switch-all |switch-end | -|
(Interval-2.end_p)
#1
```go
func merge(intervals []Interval) []Interval {
if len(intervals) <= 1 {
return intervals
}
sort.Slice(intervals, func(i, j int) bool {
return intervals[i].Start < intervals[j].Start
})
res := make([]Interval, 0)
swap := Interval{}
for k, v := range intervals {
if k == 0 {
swap = v
continue
}
if v.Start <= swap.End {
swap.End = v.End
} else {
res = append(res, swap)
swap = v
}
}
res = append(res, swap)
return res
}
```
#2