题解 | #记负均正II#这题不算入门难度么？

//这题不算入门难度么？

let arr = []
let count =0
while(line = parseInt(readline())){
    if(line<=0){
        count++
    }else{
        arr.push(line)
    }
}
console.log(count)
let Len = arr.length
let average = add(arr)
console.log(average)

function add(arr){
    if(arr.length==0){return '0.0'}
    let sum =  arr.reduce((pre,cur)=>{
        return pre+cur
    },0)
    return (sum/Len).toFixed(1)
}