题解 | #取近似值#
取近似值
https://www.nowcoder.com/practice/3ab09737afb645cc82c35d56a5ce802a
// 获取浮点数
var fNum = parseFloat(readline())
// 获取整形数
var intNum = parseInt(fNum)
// 取两者的差，根据范围输出不同结果
var sub=fNum - intNum
if(sub<0.5){
console.log(Math.floor(intNum))
}else{
console.log(Math.ceil(intNum))
}
