题解 | #字符逆序#
字符逆序
https://www.nowcoder.com/practice/cc57022cb4194697ac30bcb566aeb47b
package main
import (
"bufio"
"fmt"
"os"
)
func main() {
var valStr string
scan := bufio.NewScanner(os.Stdin)
scan.Scan()
valStr = scan.Text()
val := []byte(valStr)
mid := len(val) / 2
for i, n := 0, len(val)-1; n >= mid; n-- {
val[n], val[i] = val[i], val[n]
i++
}
fmt.Println(string(val))
}
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