443. 压缩字符串

443. 压缩字符串

package main
import (
    "fmt"
    "strconv"
)
func compress(chars []byte) int {
    var anchor = 0
    var write = 0
    for read := 0; read < len(chars); read++ {
        if read+1 == len(chars) || chars[read+1] != chars[read] {
            chars[write] = chars[anchor]
            write++
            if read > anchor {
                char := strconv.Itoa(read - anchor + 1)
                for i := 0; i < len(char); i++ {
                    chars[write] = char[i]
                    write++
                }
            }
            anchor = read + 1
        }
    }
    return write
}
func main() {
    fmt.Println(compress([]byte{'a', 'a', 'a', 'b', 'b'}))
    fmt.Println(compress([]byte{'a','a','b','b','c','c','c'}))
    fmt.Println(compress([]byte{'a'}))
    fmt.Println(compress([]byte{'a','b','b','b','b','b','b','b','b','b','b','b','b'}))
}