题解 | #数字颠倒#
数字颠倒
https://www.nowcoder.com/practice/ae809795fca34687a48b172186e3dafe
package main
import (
"bufio"
"fmt"
"os"
)
func main() {
in := bufio.NewScanner(os.Stdin)
in.Scan()
b := in.Bytes()
ret := make([]byte, len(b))
for i := len(b) - 1; i >= 0; i-- {
ret[len(b)-1-i] = b[i]
}
fmt.Println(string(ret))
}
