题解 | #实现四舍五入#

// 四舍五入
package main 
import "fmt"
func main () {
    var (
        in float32
        out int
    )
    fmt.Scanf("%f", &in)
    if in >= 0 {
        out = int(in+0.5)
    } else {
        out = int(in-0.5)
    }
    fmt.Printf("%d", out)
}